11515101052 has 48 divisors (see below), whose sum is σ = 24822443520. Its totient is φ = 4551625152.

The previous prime is 11515101007. The next prime is 11515101077. The reversal of 11515101052 is 25010151511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 445713 + ... + 470839.

It is an arithmetic number, because the mean of its divisors is an integer number (517134240).

Almost surely, 2^11515101052 is an apocalyptic number.

It is an amenable number.

11515101052 is an abundant number, since it is smaller than the sum of its proper divisors (13307342468).

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

11515101052 is a wasteful number, since it uses less digits than its factorization.

11515101052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26410 (or 26408 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 22.

Adding to 11515101052 its reverse (25010151511), we get a palindrome (36525252563).

The spelling of 11515101052 in words is "eleven billion, five hundred fifteen million, one hundred one thousand, fifty-two".