26552451251 has 4 divisors (see below), whose sum is σ = 26560677600. Its totient is φ = 26544224904.

The previous prime is 26552451217. The next prime is 26552451259. The reversal of 26552451251 is 15215425562.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15215425562 = 2 ⋅7607712781.

It is a cyclic number.

It is not a de Polignac number, because 26552451251 - 2¹⁰ = 26552450227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26552451259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4108331 + ... + 4114788.

It is an arithmetic number, because the mean of its divisors is an integer number (6640169400).

Almost surely, 2^26552451251 is an apocalyptic number.

26552451251 is a deficient number, since it is larger than the sum of its proper divisors (8226349).

26552451251 is an equidigital number, since it uses as much as digits as its factorization.

26552451251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8226348.

The product of its digits is 120000, while the sum is 38.

The spelling of 26552451251 in words is "twenty-six billion, five hundred fifty-two million, four hundred fifty-one thousand, two hundred fifty-one".