26153656531 has 2 divisors, whose sum is σ = 26153656532. Its totient is φ = 26153656530.

The previous prime is 26153656517. The next prime is 26153656537. The reversal of 26153656531 is 13565635162.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26153656531 - 2¹⁵ = 26153623763 is a prime.

It is a super-2 number, since 2×26153656531² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (26153656537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13076828265 + 13076828266.

It is an arithmetic number, because the mean of its divisors is an integer number (13076828266).

Almost surely, 2^26153656531 is an apocalyptic number.

26153656531 is a deficient number, since it is larger than the sum of its proper divisors (1).

26153656531 is an equidigital number, since it uses as much as digits as its factorization.

26153656531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 486000, while the sum is 43.

The spelling of 26153656531 in words is "twenty-six billion, one hundred fifty-three million, six hundred fifty-six thousand, five hundred thirty-one".