26315623154631 has 16 divisors (see below), whose sum is σ = 35356409877888. Its totient is φ = 17409300698400.

The previous prime is 26315623154599. The next prime is 26315623154701. The reversal of 26315623154631 is 13645132651362.

It is not a de Polignac number, because 26315623154631 - 2⁵ = 26315623154599 is a prime.

It is a super-2 number, since 2×26315623154631² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26315623155631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12223996 + ... + 14214686.

It is an arithmetic number, because the mean of its divisors is an integer number (2209775617368).

Almost surely, 2^{26315623154631} is an apocalyptic number.

26315623154631 is a deficient number, since it is larger than the sum of its proper divisors (9040786723257).

26315623154631 is a wasteful number, since it uses less digits than its factorization.

26315623154631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2024462.

The product of its digits is 2332800, while the sum is 48.

The spelling of 26315623154631 in words is "twenty-six trillion, three hundred fifteen billion, six hundred twenty-three million, one hundred fifty-four thousand, six hundred thirty-one".