1056541616780 has 24 divisors (see below), whose sum is σ = 2389409503152. Its totient is φ = 390107673792.

The previous prime is 1056541616777. The next prime is 1056541616813. The reversal of 1056541616780 is 876161456501.

It is a super-2 number, since 2×1056541616780² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2031810542 + ... + 2031811061.

It is an arithmetic number, because the mean of its divisors is an integer number (99558729298).

Almost surely, 2^{1056541616780} is an apocalyptic number.

1056541616780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1056541616780 is an abundant number, since it is smaller than the sum of its proper divisors (1332867886372).

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

1056541616780 is a wasteful number, since it uses less digits than its factorization.

1056541616780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4063621625 (or 4063621623 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 50.

The spelling of 1056541616780 in words is "one trillion, fifty-six billion, five hundred forty-one million, six hundred sixteen thousand, seven hundred eighty".