1055291772960 has 96 divisors (see below), whose sum is σ = 3693521220480. Its totient is φ = 281411138304.

The previous prime is 1055291772827. The next prime is 1055291772979. The reversal of 1055291772960 is 692771925501.

It is a happy number.

1055291772960 is a `hidden beast` number, since 1 + 0 + 552 + 9 + 1 + 7 + 7 + 29 + 60 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×1055291772960² (a number of 25 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 1055291772897 and 1055291772906.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122135932 + ... + 122144571.

It is an arithmetic number, because the mean of its divisors is an integer number (38474179380).

Almost surely, 2^{1055291772960} is an apocalyptic number.

1055291772960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1055291772960 is an abundant number, since it is smaller than the sum of its proper divisors (2638229447520).

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

1055291772960 is a wasteful number, since it uses less digits than its factorization.

1055291772960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244280527 (or 244280513 counting only the distinct ones).

The product of its (nonzero) digits is 2381400, while the sum is 54.

The spelling of 1055291772960 in words is "one trillion, fifty-five billion, two hundred ninety-one million, seven hundred seventy-two thousand, nine hundred sixty".