11520515501242 has 48 divisors (see below), whose sum is σ = 21066534317952. Its totient is φ = 4669164685440.

The previous prime is 11520515501233. The next prime is 11520515501279. The reversal of 11520515501242 is 24210551502511.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 11520515501198 and 11520515501207.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42529138 + ... + 42799165.

It is an arithmetic number, because the mean of its divisors is an integer number (438886131624).

Almost surely, 2^{11520515501242} is an apocalyptic number.

11520515501242 is a deficient number, since it is larger than the sum of its proper divisors (9546018816710).

11520515501242 is a wasteful number, since it uses less digits than its factorization.

11520515501242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85328371 (or 85328352 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 34.

The spelling of 11520515501242 in words is "eleven trillion, five hundred twenty billion, five hundred fifteen million, five hundred one thousand, two hundred forty-two".