15220419864124 has 24 divisors (see below), whose sum is σ = 27087464300400. Its totient is φ = 7481146982400.

The previous prime is 15220419864107. The next prime is 15220419864157. The reversal of 15220419864124 is 42146891402251.

It is a super-2 number, since 2×15220419864124² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 28005774 + ... + 28544074.

It is an arithmetic number, because the mean of its divisors is an integer number (1128644345850).

Almost surely, 2^{15220419864124} is an apocalyptic number.

It is an amenable number.

15220419864124 is a deficient number, since it is larger than the sum of its proper divisors (11867044436276).

15220419864124 is a wasteful number, since it uses less digits than its factorization.

15220419864124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658173 (or 658171 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 49.

The spelling of 15220419864124 in words is "fifteen trillion, two hundred twenty billion, four hundred nineteen million, eight hundred sixty-four thousand, one hundred twenty-four".