1056278864351 has 2 divisors, whose sum is σ = 1056278864352. Its totient is φ = 1056278864350.

The previous prime is 1056278864323. The next prime is 1056278864357. The reversal of 1056278864351 is 1534688726501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1056278864351 - 2⁶ = 1056278864287 is a prime.

It is a super-2 number, since 2×1056278864351² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1056278864357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528139432175 + 528139432176.

It is an arithmetic number, because the mean of its divisors is an integer number (528139432176).

Almost surely, 2^{1056278864351} is an apocalyptic number.

1056278864351 is a deficient number, since it is larger than the sum of its proper divisors (1).

1056278864351 is an equidigital number, since it uses as much as digits as its factorization.

1056278864351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9676800, while the sum is 56.

The spelling of 1056278864351 in words is "one trillion, fifty-six billion, two hundred seventy-eight million, eight hundred sixty-four thousand, three hundred fifty-one".