11515207048 has 32 divisors (see below), whose sum is σ = 22547208960. Its totient is φ = 5503006080.

The previous prime is 11515207037. The next prime is 11515207073. The reversal of 11515207048 is 84070251511.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220588 + ... + 267748.

It is an arithmetic number, because the mean of its divisors is an integer number (704600280).

Almost surely, 2^11515207048 is an apocalyptic number.

It is an amenable number.

11515207048 is a deficient number, since it is larger than the sum of its proper divisors (11032001912).

11515207048 is a wasteful number, since it uses less digits than its factorization.

11515207048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48517 (or 48513 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 34.

Adding to 11515207048 its reverse (84070251511), we get a palindrome (95585458559).

The spelling of 11515207048 in words is "eleven billion, five hundred fifteen million, two hundred seven thousand, forty-eight".