1056651954984 has 80 divisors (see below), whose sum is σ = 3133698232500. Its totient is φ = 331498649088.

The previous prime is 1056651954979. The next prime is 1056651954989. The reversal of 1056651954984 is 4894591566501.

1056651954984 is a `hidden beast` number, since 1 + 0 + 5 + 6 + 6 + 5 + 1 + 9 + 549 + 84 = 666.

It is an interprime number because it is at equal distance from previous prime (1056651954979) and next prime (1056651954989).

It can be written as a sum of positive squares in 2 ways, for example, as 789236792100 + 267415162884 = 888390^2 + 517122^2 .

It is a super-2 number, since 2×1056651954984² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1056651954989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 47948859 + ... + 47970890.

Almost surely, 2^{1056651954984} is an apocalyptic number.

It is an amenable number.

1056651954984 is an abundant number, since it is smaller than the sum of its proper divisors (2077046277516).

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

1056651954984 is a wasteful number, since it uses less digits than its factorization.

1056651954984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95919784 (or 95919771 counting only the distinct ones).

The product of its (nonzero) digits is 46656000, while the sum is 63.

The spelling of 1056651954984 in words is "one trillion, fifty-six billion, six hundred fifty-one million, nine hundred fifty-four thousand, nine hundred eighty-four".