11512331125623 has 6 divisors (see below), whose sum is σ = 16628922737024. Its totient is φ = 7674887417076.

The previous prime is 11512331125583. The next prime is 11512331125627. The reversal of 11512331125623 is 32652113321511.

It is a happy number.

11512331125623 is a `hidden beast` number, since 1 + 1 + 5 + 1 + 2 + 3 + 3 + 1 + 1 + 25 + 623 = 666.

11512331125623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11512331125623 - 2¹³ = 11512331117431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11512331125627) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 639573951415 + ... + 639573951432.

Almost surely, 2^{11512331125623} is an apocalyptic number.

11512331125623 is a deficient number, since it is larger than the sum of its proper divisors (5116591611401).

11512331125623 is a wasteful number, since it uses less digits than its factorization.

11512331125623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279147902853 (or 1279147902850 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The spelling of 11512331125623 in words is "eleven trillion, five hundred twelve billion, three hundred thirty-one million, one hundred twenty-five thousand, six hundred twenty-three".