113015252251 has 16 divisors (see below), whose sum is σ = 123813220608. Its totient is φ = 102305527200.

The previous prime is 113015252243. The next prime is 113015252333. The reversal of 113015252251 is 152252510311.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 113015252251 - 2³ = 113015252243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113015252201) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2446696 + ... + 2492458.

It is an arithmetic number, because the mean of its divisors is an integer number (7738326288).

Almost surely, 2^113015252251 is an apocalyptic number.

113015252251 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

113015252251 is a deficient number, since it is larger than the sum of its proper divisors (10797968357).

113015252251 is a wasteful number, since it uses less digits than its factorization.

113015252251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46722.

The product of its (nonzero) digits is 3000, while the sum is 28.

Adding to 113015252251 its reverse (152252510311), we get a palindrome (265267762562).

The spelling of 113015252251 in words is "one hundred thirteen billion, fifteen million, two hundred fifty-two thousand, two hundred fifty-one".