1010561056 has 48 divisors (see below), whose sum is σ = 2217468960. Its totient is φ = 450524160.

The previous prime is 1010561047. The next prime is 1010561081. The reversal of 1010561056 is 6501650101.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 1010561056.

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, 38550 + ... + 59221.

It is an arithmetic number, because the mean of its divisors is an integer number (46197270).

Almost surely, 2^1010561056 is an apocalyptic number.

1010561056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1010561056 is an abundant number, since it is smaller than the sum of its proper divisors (1206907904).

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

1010561056 is a wasteful number, since it uses less digits than its factorization.

1010561056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97817 (or 97809 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 1010561056 is about 31789.3229874434. The cubic root of 1010561056 is about 1003.5080313259.

The spelling of 1010561056 in words is "one billion, ten million, five hundred sixty-one thousand, fifty-six".