2157813570143 has 32 divisors (see below), whose sum is σ = 2714850501120. Its totient is φ = 1666053365760.

The previous prime is 2157813570137. The next prime is 2157813570167. The reversal of 2157813570143 is 3410753187512.

It is not a de Polignac number, because 2157813570143 - 2⁶ = 2157813570079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2157813570443) 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, 31803071 + ... + 31870847.

It is an arithmetic number, because the mean of its divisors is an integer number (84839078160).

Almost surely, 2^{2157813570143} is an apocalyptic number.

2157813570143 is a deficient number, since it is larger than the sum of its proper divisors (557036930977).

2157813570143 is a wasteful number, since it uses less digits than its factorization.

2157813570143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71567.

The product of its (nonzero) digits is 705600, while the sum is 47.

The spelling of 2157813570143 in words is "two trillion, one hundred fifty-seven billion, eight hundred thirteen million, five hundred seventy thousand, one hundred forty-three".