26790550251 has 16 divisors (see below), whose sum is σ = 35970428928. Its totient is φ = 17735846400.

The previous prime is 26790550243. The next prime is 26790550261. The reversal of 26790550251 is 15205509762.

It is not a de Polignac number, because 26790550251 - 2³ = 26790550243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26790550261) 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, 290106 + ... + 371136.

It is an arithmetic number, because the mean of its divisors is an integer number (2248151808).

Almost surely, 2^26790550251 is an apocalyptic number.

26790550251 is a deficient number, since it is larger than the sum of its proper divisors (9179878677).

26790550251 is a wasteful number, since it uses less digits than its factorization.

26790550251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81802.

The product of its (nonzero) digits is 189000, while the sum is 42.

The spelling of 26790550251 in words is "twenty-six billion, seven hundred ninety million, five hundred fifty thousand, two hundred fifty-one".