12251540055 has 16 divisors (see below), whose sum is σ = 20019538944. Its totient is φ = 6395129760.

The previous prime is 12251540027. The next prime is 12251540083. The reversal of 12251540055 is 55004515221.

It is an interprime number because it is at equal distance from previous prime (12251540027) and next prime (12251540083).

It is not a de Polignac number, because 12251540055 - 2⁵ = 12251540023 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8688331 + ... + 8689740.

It is an arithmetic number, because the mean of its divisors is an integer number (1251221184).

Almost surely, 2^12251540055 is an apocalyptic number.

12251540055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12251540055 is a deficient number, since it is larger than the sum of its proper divisors (7767998889).

12251540055 is a wasteful number, since it uses less digits than its factorization.

12251540055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17378126.

The product of its (nonzero) digits is 10000, while the sum is 30.

The spelling of 12251540055 in words is "twelve billion, two hundred fifty-one million, five hundred forty thousand, fifty-five".