2157346015599 has 16 divisors (see below), whose sum is σ = 2877969552480. Its totient is φ = 1437476759040.

The previous prime is 2157346015567. The next prime is 2157346015609. The reversal of 2157346015599 is 9955106437512.

It is not a de Polignac number, because 2157346015599 - 2⁵ = 2157346015567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2157346015529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61373569 + ... + 61408709.

It is an arithmetic number, because the mean of its divisors is an integer number (179873097030).

Almost surely, 2^{2157346015599} is an apocalyptic number.

2157346015599 is a deficient number, since it is larger than the sum of its proper divisors (720623536881).

2157346015599 is a wasteful number, since it uses less digits than its factorization.

2157346015599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45290.

The product of its (nonzero) digits is 10206000, while the sum is 57.

The spelling of 2157346015599 in words is "two trillion, one hundred fifty-seven billion, three hundred forty-six million, fifteen thousand, five hundred ninety-nine".