12251555311 has 2 divisors, whose sum is σ = 12251555312. Its totient is φ = 12251555310.

The previous prime is 12251555287. The next prime is 12251555333. The reversal of 12251555311 is 11355515221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12251555311 - 2³³ = 3661620719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12251555011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6125777655 + 6125777656.

It is an arithmetic number, because the mean of its divisors is an integer number (6125777656).

Almost surely, 2^12251555311 is an apocalyptic number.

12251555311 is a deficient number, since it is larger than the sum of its proper divisors (1).

12251555311 is an equidigital number, since it uses as much as digits as its factorization.

12251555311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7500, while the sum is 31.

The spelling of 12251555311 in words is "twelve billion, two hundred fifty-one million, five hundred fifty-five thousand, three hundred eleven".