26201564120456 has 16 divisors (see below), whose sum is σ = 49148776177740. Its totient is φ = 13095223806400.

The previous prime is 26201564120447. The next prime is 26201564120461. The reversal of 26201564120456 is 65402146510262.

It can be written as a sum of positive squares in 2 ways, for example, as 20208027771556 + 5993536348900 = 4495334^2 + 2448170^2 .

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, 694761695 + ... + 694799406.

Almost surely, 2^{26201564120456} is an apocalyptic number.

It is an amenable number.

26201564120456 is a deficient number, since it is larger than the sum of its proper divisors (22947212057284).

26201564120456 is a wasteful number, since it uses less digits than its factorization.

26201564120456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389563464 (or 1389563460 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 44.

The spelling of 26201564120456 in words is "twenty-six trillion, two hundred one billion, five hundred sixty-four million, one hundred twenty thousand, four hundred fifty-six".