1056026776553 has 8 divisors (see below), whose sum is σ = 1218605102208. Its totient is φ = 896377790304.

The previous prime is 1056026776549. The next prime is 1056026776577. The reversal of 1056026776553 is 3556776206501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1056026776553 - 2² = 1056026776549 is a prime.

It is a super-2 number, since 2×1056026776553² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1056026776495 and 1056026776504.

It is not an unprimeable number, because it can be changed into a prime (1056026776543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 732334076 + ... + 732335517.

It is an arithmetic number, because the mean of its divisors is an integer number (152325637776).

Almost surely, 2^{1056026776553} is an apocalyptic number.

It is an amenable number.

1056026776553 is a deficient number, since it is larger than the sum of its proper divisors (162578325655).

1056026776553 is a wasteful number, since it uses less digits than its factorization.

1056026776553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1464669703.

The product of its (nonzero) digits is 7938000, while the sum is 53.

The spelling of 1056026776553 in words is "one trillion, fifty-six billion, twenty-six million, seven hundred seventy-six thousand, five hundred fifty-three".