15213040875705 has 16 divisors (see below), whose sum is σ = 25126054608384. Its totient is φ = 7851892064640.

The previous prime is 15213040875583. The next prime is 15213040875733. The reversal of 15213040875705 is 50757804031251.

It is a de Polignac number, because none of the positive numbers 2^k-15213040875705 is a prime.

It is a super-2 number, since 2×15213040875705² (a number of 27 digits) contains 22 as substring.

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, 16358108004 + ... + 16358108933.

It is an arithmetic number, because the mean of its divisors is an integer number (1570378413024).

Almost surely, 2^{15213040875705} is an apocalyptic number.

15213040875705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15213040875705 is a deficient number, since it is larger than the sum of its proper divisors (9913013732679).

15213040875705 is a wasteful number, since it uses less digits than its factorization.

15213040875705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32716216976.

The product of its (nonzero) digits is 1176000, while the sum is 48.

The spelling of 15213040875705 in words is "fifteen trillion, two hundred thirteen billion, forty million, eight hundred seventy-five thousand, seven hundred five".