1055106061020 has 96 divisors (see below), whose sum is σ = 3580966045440. Its totient is φ = 255783286080.

The previous prime is 1055106061013. The next prime is 1055106061099. The reversal of 1055106061020 is 201606015501.

It is a happy number.

1055106061020 is a `hidden beast` number, since 1 + 0 + 5 + 51 + 0 + 606 + 1 + 0 + 2 + 0 = 666.

It is a super-3 number, since 3×1055106061020³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88807702 + ... + 88819581.

It is an arithmetic number, because the mean of its divisors is an integer number (37301729640).

Almost surely, 2^{1055106061020} is an apocalyptic number.

1055106061020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1055106061020 is an abundant number, since it is smaller than the sum of its proper divisors (2525859984420).

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

1055106061020 is a wasteful number, since it uses less digits than its factorization.

1055106061020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177627312 (or 177627304 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The spelling of 1055106061020 in words is "one trillion, fifty-five billion, one hundred six million, sixty-one thousand, twenty".