26956654510465 has 8 divisors (see below), whose sum is σ = 32377312695168. Its totient is φ = 21545772086640.

The previous prime is 26956654510441. The next prime is 26956654510547. The reversal of 26956654510465 is 56401545665962.

It is a happy number.

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

It is not a de Polignac number, because 26956654510465 - 2⁵ = 26956654510433 is a prime.

It is a super-2 number, since 2×26956654510465² (a number of 28 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 = 26956654510397 and 26956654510406.

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, 2443934151 + ... + 2443945180.

It is an arithmetic number, because the mean of its divisors is an integer number (4047164086896).

Almost surely, 2^{26956654510465} is an apocalyptic number.

It is an amenable number.

26956654510465 is a deficient number, since it is larger than the sum of its proper divisors (5420658184703).

26956654510465 is a wasteful number, since it uses less digits than its factorization.

26956654510465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4887880439.

The product of its (nonzero) digits is 233280000, while the sum is 64.

The spelling of 26956654510465 in words is "twenty-six trillion, nine hundred fifty-six billion, six hundred fifty-four million, five hundred ten thousand, four hundred sixty-five".