1013756236656 has 20 divisors (see below), whose sum is σ = 2618870278152. Its totient is φ = 337918745536.

The previous prime is 1013756236627. The next prime is 1013756236667. The reversal of 1013756236656 is 6566326573101.

It is a junction number, because it is equal to n+sod(n) for n = 1013756236599 and 1013756236608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10559960751 + ... + 10559960846.

Almost surely, 2^{1013756236656} is an apocalyptic number.

1013756236656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1013756236656 is an abundant number, since it is smaller than the sum of its proper divisors (1605114041496).

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

1013756236656 is a wasteful number, since it uses less digits than its factorization.

1013756236656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21119921608 (or 21119921602 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 51.

The spelling of 1013756236656 in words is "one trillion, thirteen billion, seven hundred fifty-six million, two hundred thirty-six thousand, six hundred fifty-six".