26360135997 has 32 divisors (see below), whose sum is σ = 38531450496. Its totient is φ = 15930604800.

The previous prime is 26360135993. The next prime is 26360136007. The reversal of 26360135997 is 79953106362.

It is a happy number.

It is not a de Polignac number, because 26360135997 - 2² = 26360135993 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26360135993) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1564138 + ... + 1580900.

It is an arithmetic number, because the mean of its divisors is an integer number (1204107828).

Almost surely, 2^26360135997 is an apocalyptic number.

It is an amenable number.

26360135997 is a deficient number, since it is larger than the sum of its proper divisors (12171314499).

26360135997 is a wasteful number, since it uses less digits than its factorization.

26360135997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17501.

The product of its (nonzero) digits is 1837080, while the sum is 51.

The spelling of 26360135997 in words is "twenty-six billion, three hundred sixty million, one hundred thirty-five thousand, nine hundred ninety-seven".