11502540234 has 12 divisors (see below), whose sum is σ = 24922170546. Its totient is φ = 3834180072.

The previous prime is 11502540229. The next prime is 11502540277. The reversal of 11502540234 is 43204520511.

11502540234 is a `hidden beast` number, since 115 + 0 + 2 + 540 + 2 + 3 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10404612009 + 1097928225 = 102003^2 + 33135^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11502540198 and 11502540207.

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 5 ways as a sum of consecutive naturals, for example, 319514989 + ... + 319515024.

Almost surely, 2^11502540234 is an apocalyptic number.

11502540234 is an abundant number, since it is smaller than the sum of its proper divisors (13419630312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11502540234 is a wasteful number, since it uses less digits than its factorization.

11502540234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639030021 (or 639030018 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The spelling of 11502540234 in words is "eleven billion, five hundred two million, five hundred forty thousand, two hundred thirty-four".