1056278864334 has 16 divisors (see below), whose sum is σ = 2112567852672. Its totient is φ = 352091267448.

The previous prime is 1056278864323. The next prime is 1056278864351. The reversal of 1056278864334 is 4334688726501.

It is a happy number.

It is a super-2 number, since 2×1056278864334² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 2037007 + ... + 2502389.

It is an arithmetic number, because the mean of its divisors is an integer number (132035490792).

Almost surely, 2^{1056278864334} is an apocalyptic number.

1056278864334 is an abundant number, since it is smaller than the sum of its proper divisors (1056288988338).

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

1056278864334 is a wasteful number, since it uses less digits than its factorization.

1056278864334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843671.

The product of its (nonzero) digits is 23224320, while the sum is 57.

The spelling of 1056278864334 in words is "one trillion, fifty-six billion, two hundred seventy-eight million, eight hundred sixty-four thousand, three hundred thirty-four".