1055051221932 has 18 divisors (see below), whose sum is σ = 2666935033308. Its totient is φ = 351683740632.

The previous prime is 1055051221927. The next prime is 1055051221963. The reversal of 1055051221932 is 2391221505501.

1055051221932 is a `hidden beast` number, since 1 + 0 + 5 + 50 + 512 + 2 + 1 + 93 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×1055051221932² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 29306978387 = 1055051221932 / (1 + 0 + 5 + 5 + 0 + 5 + 1 + 2 + 2 + 1 + 9 + 3 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14653489158 + ... + 14653489229.

It is an arithmetic number, because the mean of its divisors is an integer number (148163057406).

Almost surely, 2^{1055051221932} is an apocalyptic number.

1055051221932 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1055051221932 is an abundant number, since it is smaller than the sum of its proper divisors (1611883811376).

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

1055051221932 is a wasteful number, since it uses less digits than its factorization.

1055051221932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29306978397 (or 29306978392 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The spelling of 1055051221932 in words is "one trillion, fifty-five billion, fifty-one million, two hundred twenty-one thousand, nine hundred thirty-two".