1055131378596 has 120 divisors (see below), whose sum is σ = 2774823226560. Its totient is φ = 349612676928.

The previous prime is 1055131378579. The next prime is 1055131378597. The reversal of 1055131378596 is 6958731315501.

It is a happy number.

1055131378596 is a `hidden beast` number, since 1 + 0 + 5 + 5 + 13 + 1 + 37 + 8 + 596 = 666.

It is a super-2 number, since 2×1055131378596² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (1055131378597) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 37087345 + ... + 37115783.

It is an arithmetic number, because the mean of its divisors is an integer number (23123526888).

Almost surely, 2^{1055131378596} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1055131378596, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1387411613280).

1055131378596 is an abundant number, since it is smaller than the sum of its proper divisors (1719691847964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1055131378596 is a wasteful number, since it uses less digits than its factorization.

1055131378596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29135 (or 29124 counting only the distinct ones).

The product of its (nonzero) digits is 3402000, while the sum is 54.

The spelling of 1055131378596 in words is "one trillion, fifty-five billion, one hundred thirty-one million, three hundred seventy-eight thousand, five hundred ninety-six".