15213038212055 has 16 divisors (see below), whose sum is σ = 18270000684864. Its totient is φ = 12160861789440.

The previous prime is 15213038211991. The next prime is 15213038212067. The reversal of 15213038212055 is 55021283031251.

It is not a de Polignac number, because 15213038212055 - 2⁶ = 15213038211991 is a prime.

It is a super-2 number, since 2×15213038212055² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

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, 128491214 + ... + 128609556.

It is an arithmetic number, because the mean of its divisors is an integer number (1141875042804).

Almost surely, 2^{15213038212055} is an apocalyptic number.

15213038212055 is a deficient number, since it is larger than the sum of its proper divisors (3056962472809).

15213038212055 is a wasteful number, since it uses less digits than its factorization.

15213038212055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138346.

The product of its (nonzero) digits is 72000, while the sum is 38.

The spelling of 15213038212055 in words is "fifteen trillion, two hundred thirteen billion, thirty-eight million, two hundred twelve thousand, fifty-five".