26100613131 has 4 divisors (see below), whose sum is σ = 34800817512. Its totient is φ = 17400408752.

The previous prime is 26100613117. The next prime is 26100613151. The reversal of 26100613131 is 13131600162.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26100613131 - 2⁶ = 26100613067 is a prime.

It is a super-2 number, since 2×26100613131² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26100613151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4350102186 + ... + 4350102191.

It is an arithmetic number, because the mean of its divisors is an integer number (8700204378).

Almost surely, 2^26100613131 is an apocalyptic number.

26100613131 is a deficient number, since it is larger than the sum of its proper divisors (8700204381).

26100613131 is an equidigital number, since it uses as much as digits as its factorization.

26100613131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8700204380.

The product of its (nonzero) digits is 648, while the sum is 24.

The spelling of 26100613131 in words is "twenty-six billion, one hundred million, six hundred thirteen thousand, one hundred thirty-one".