1055919645956 has 24 divisors (see below), whose sum is σ = 2111864381760. Its totient is φ = 452531614752.

The previous prime is 1055919645947. The next prime is 1055919645959. The reversal of 1055919645956 is 6595469195501.

It is a super-2 number, since 2×1055919645956² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1055919645892 and 1055919645901.

It is not an unprimeable number, because it can be changed into a prime (1055919645959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2977646 + ... + 3313338.

It is an arithmetic number, because the mean of its divisors is an integer number (87994349240).

Almost surely, 2^{1055919645956} is an apocalyptic number.

It is an amenable number.

1055919645956 is an abundant number, since it is smaller than the sum of its proper divisors (1055944735804).

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

1055919645956 is a wasteful number, since it uses less digits than its factorization.

1055919645956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448043 (or 448041 counting only the distinct ones).

The product of its (nonzero) digits is 65610000, while the sum is 65.

The spelling of 1055919645956 in words is "one trillion, fifty-five billion, nine hundred nineteen million, six hundred forty-five thousand, nine hundred fifty-six".