26415055631 has 2 divisors, whose sum is σ = 26415055632. Its totient is φ = 26415055630.

The previous prime is 26415055619. The next prime is 26415055643. The reversal of 26415055631 is 13655051462.

It is a balanced prime because it is at equal distance from previous prime (26415055619) and next prime (26415055643).

It is a cyclic number.

It is not a de Polignac number, because 26415055631 - 2¹⁴ = 26415039247 is a prime.

It is a super-2 number, since 2×26415055631² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26415051631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13207527815 + 13207527816.

It is an arithmetic number, because the mean of its divisors is an integer number (13207527816).

Almost surely, 2^26415055631 is an apocalyptic number.

26415055631 is a deficient number, since it is larger than the sum of its proper divisors (1).

26415055631 is an equidigital number, since it uses as much as digits as its factorization.

26415055631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 26415055631 in words is "twenty-six billion, four hundred fifteen million, fifty-five thousand, six hundred thirty-one".