1055031447256 has 64 divisors (see below), whose sum is σ = 2141193178080. Its totient is φ = 485522810880.

The previous prime is 1055031447227. The next prime is 1055031447259. The reversal of 1055031447256 is 6527441305501.

It is a super-2 number, since 2×1055031447256² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055031447259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1067655 + ... + 1802761.

Almost surely, 2^{1055031447256} is an apocalyptic number.

It is an amenable number.

1055031447256 is an abundant number, since it is smaller than the sum of its proper divisors (1086161730824).

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

1055031447256 is a wasteful number, since it uses less digits than its factorization.

1055031447256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735364 (or 735360 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 43.

The spelling of 1055031447256 in words is "one trillion, fifty-five billion, thirty-one million, four hundred forty-seven thousand, two hundred fifty-six".