15532540215 has 32 divisors (see below), whose sum is σ = 25752384000. Its totient is φ = 7984878720.

The previous prime is 15532540201. The next prime is 15532540249. The reversal of 15532540215 is 51204523551.

It is not a de Polignac number, because 15532540215 - 2⁶ = 15532540151 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 230760 + ... + 290370.

It is an arithmetic number, because the mean of its divisors is an integer number (804762000).

Almost surely, 2^15532540215 is an apocalyptic number.

15532540215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

15532540215 is a deficient number, since it is larger than the sum of its proper divisors (10219843785).

15532540215 is a wasteful number, since it uses less digits than its factorization.

15532540215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60247.

The product of its (nonzero) digits is 30000, while the sum is 33.

The spelling of 15532540215 in words is "fifteen billion, five hundred thirty-two million, five hundred forty thousand, two hundred fifteen".