26115056136 has 96 divisors (see below), whose sum is σ = 78227636760. Its totient is φ = 7818218496.

The previous prime is 26115056131. The next prime is 26115056147. The reversal of 26115056136 is 63165051162.

26115056136 is a `hidden beast` number, since 2 + 6 + 11 + 50 + 561 + 36 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 25233322500 + 881733636 = 158850^2 + 29694^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 26115056136.

It is not an unprimeable number, because it can be changed into a prime (26115056131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 342405 + ... + 411668.

Almost surely, 2^26115056136 is an apocalyptic number.

26115056136 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

26115056136 is an abundant number, since it is smaller than the sum of its proper divisors (52112580624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26115056136 is a wasteful number, since it uses less digits than its factorization.

26115056136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754135 (or 754128 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 26115056136 in words is "twenty-six billion, one hundred fifteen million, fifty-six thousand, one hundred thirty-six".