12251531135355 has 64 divisors (see below), whose sum is σ = 19926421120512. Its totient is φ = 6426679311360.

The previous prime is 12251531135341. The next prime is 12251531135399. The reversal of 12251531135355 is 55353113515221.

It is not a de Polignac number, because 12251531135355 - 2¹⁶ = 12251531069819 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 781190344 + ... + 781206026.

It is an arithmetic number, because the mean of its divisors is an integer number (311350330008).

Almost surely, 2^{12251531135355} is an apocalyptic number.

12251531135355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12251531135355 is a deficient number, since it is larger than the sum of its proper divisors (7674889985157).

12251531135355 is a wasteful number, since it uses less digits than its factorization.

12251531135355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17708.

The product of its digits is 337500, while the sum is 42.

The spelling of 12251531135355 in words is "twelve trillion, two hundred fifty-one billion, five hundred thirty-one million, one hundred thirty-five thousand, three hundred fifty-five".