11312551254105 has 96 divisors (see below), whose sum is σ = 20033569296000. Its totient is φ = 5903194152960.

The previous prime is 11312551254049. The next prime is 11312551254133. The reversal of 11312551254105 is 50145215521311.

11312551254105 is a `hidden beast` number, since 1 + 1 + 3 + 125 + 512 + 5 + 4 + 10 + 5 = 666.

It is not a de Polignac number, because 11312551254105 - 2⁶ = 11312551254041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11312551254105.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2079128185 + ... + 2079133625.

It is an arithmetic number, because the mean of its divisors is an integer number (208683013500).

Almost surely, 2^{11312551254105} is an apocalyptic number.

11312551254105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11312551254105 is a deficient number, since it is larger than the sum of its proper divisors (8721018041895).

11312551254105 is a wasteful number, since it uses less digits than its factorization.

11312551254105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7751 (or 7748 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 36.

Adding to 11312551254105 its reverse (50145215521311), we get a palindrome (61457766775416).

The spelling of 11312551254105 in words is "eleven trillion, three hundred twelve billion, five hundred fifty-one million, two hundred fifty-four thousand, one hundred five".