26261157 has 16 divisors (see below), whose sum is σ = 38729600. Its totient is φ = 15723072.

The previous prime is 26261113. The next prime is 26261159. The reversal of 26261157 is 75116262.

It is not a de Polignac number, because 26261157 - 2⁸ = 26260901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26261159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7657 + ... + 10542.

It is an arithmetic number, because the mean of its divisors is an integer number (2420600).

Almost surely, 2^26261157 is an apocalyptic number.

It is an amenable number.

26261157 is a deficient number, since it is larger than the sum of its proper divisors (12468443).

26261157 is a wasteful number, since it uses less digits than its factorization.

26261157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18252.

The product of its digits is 5040, while the sum is 30.

The square root of 26261157 is about 5124.5640790217. The cubic root of 26261157 is about 297.2381972851.

The spelling of 26261157 in words is "twenty-six million, two hundred sixty-one thousand, one hundred fifty-seven".