11515047653532 has 48 divisors (see below), whose sum is σ = 27088446785792. Its totient is φ = 3806999395200.

The previous prime is 11515047653531. The next prime is 11515047653537. The reversal of 11515047653532 is 23535674051511.

It is a happy number.

It is a super-2 number, since 2×11515047653532² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11515047653531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3776473 + ... + 6106704.

Almost surely, 2^{11515047653532} is an apocalyptic number.

11515047653532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11515047653532 is an abundant number, since it is smaller than the sum of its proper divisors (15573399132260).

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

11515047653532 is a wasteful number, since it uses less digits than its factorization.

11515047653532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9883978 (or 9883976 counting only the distinct ones).

The product of its (nonzero) digits is 1890000, while the sum is 48.

The spelling of 11515047653532 in words is "eleven trillion, five hundred fifteen billion, forty-seven million, six hundred fifty-three thousand, five hundred thirty-two".