26772522251 has 16 divisors (see below), whose sum is σ = 27453634560. Its totient is φ = 26096307840.

The previous prime is 26772522241. The next prime is 26772522317. The reversal of 26772522251 is 15222527762.

It is a cyclic number.

It is not a de Polignac number, because 26772522251 - 2³⁴ = 9592653067 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26772522199 and 26772522208.

It is not an unprimeable number, because it can be changed into a prime (26772522211) 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, 20641235 + ... + 20642531.

It is an arithmetic number, because the mean of its divisors is an integer number (1715852160).

Almost surely, 2^26772522251 is an apocalyptic number.

26772522251 is a deficient number, since it is larger than the sum of its proper divisors (681112309).

26772522251 is a wasteful number, since it uses less digits than its factorization.

26772522251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2794.

The product of its digits is 235200, while the sum is 41.

The spelling of 26772522251 in words is "twenty-six billion, seven hundred seventy-two million, five hundred twenty-two thousand, two hundred fifty-one".