15201630632215 has 4 divisors (see below), whose sum is σ = 18241956758664. Its totient is φ = 12161304505768.

The previous prime is 15201630632213. The next prime is 15201630632263. The reversal of 15201630632215 is 51223603610251.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 15201630632215 - 2¹ = 15201630632213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15201630632213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1520163063217 + ... + 1520163063226.

It is an arithmetic number, because the mean of its divisors is an integer number (4560489189666).

Almost surely, 2^{15201630632215} is an apocalyptic number.

15201630632215 is a deficient number, since it is larger than the sum of its proper divisors (3040326126449).

15201630632215 is an equidigital number, since it uses as much as digits as its factorization.

15201630632215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3040326126448.

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 15201630632215 in words is "fifteen trillion, two hundred one billion, six hundred thirty million, six hundred thirty-two thousand, two hundred fifteen".