2157437385951 has 32 divisors (see below), whose sum is σ = 2988095616000. Its totient is φ = 1382949619968.

The previous prime is 2157437385941. The next prime is 2157437385973. The reversal of 2157437385951 is 1595837347512.

It is not a de Polignac number, because 2157437385951 - 2²² = 2157433191647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2157437385941) 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, 75927835 + ... + 75956243.

It is an arithmetic number, because the mean of its divisors is an integer number (93377988000).

Almost surely, 2^{2157437385951} is an apocalyptic number.

2157437385951 is a deficient number, since it is larger than the sum of its proper divisors (830658230049).

2157437385951 is a wasteful number, since it uses less digits than its factorization.

2157437385951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32023.

The product of its digits is 31752000, while the sum is 60.

The spelling of 2157437385951 in words is "two trillion, one hundred fifty-seven billion, four hundred thirty-seven million, three hundred eighty-five thousand, nine hundred fifty-one".