1861132356096 has 1280 divisors, whose sum is σ = 6158197850112. Its totient is φ = 493800652800.

The previous prime is 1861132356091. The next prime is 1861132356103. The reversal of 1861132356096 is 6906532311681.

It is a super-2 number, since 2×1861132356096² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (1861132356091) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 26213131741 + ... + 26213131811.

Almost surely, 2^{1861132356096} is an apocalyptic number.

1861132356096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1861132356096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3079098925056).

1861132356096 is an abundant number, since it is smaller than the sum of its proper divisors (4297065494016).

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

1861132356096 is a wasteful number, since it uses less digits than its factorization.

1861132356096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253 (or 237 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 51.

The spelling of 1861132356096 in words is "one trillion, eight hundred sixty-one billion, one hundred thirty-two million, three hundred fifty-six thousand, ninety-six".