15715612007161 has 32 divisors (see below), whose sum is σ = 17493732518400. Its totient is φ = 13998897070080.

The previous prime is 15715612007099. The next prime is 15715612007203. The reversal of 15715612007161 is 16170021651751.

It is a cyclic number.

It is not a de Polignac number, because 15715612007161 - 2¹⁵ = 15715611974393 is a prime.

It is a super-3 number, since 3×15715612007161³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15715612007561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59945781 + ... + 60207373.

It is an arithmetic number, because the mean of its divisors is an integer number (546679141200).

Almost surely, 2^{15715612007161} is an apocalyptic number.

15715612007161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

15715612007161 is a deficient number, since it is larger than the sum of its proper divisors (1778120511239).

15715612007161 is a wasteful number, since it uses less digits than its factorization.

15715612007161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262209.

The product of its (nonzero) digits is 88200, while the sum is 43.

The spelling of 15715612007161 in words is "fifteen trillion, seven hundred fifteen billion, six hundred twelve million, seven thousand, one hundred sixty-one".