2157346015600 has 60 divisors (see below), whose sum is σ = 5487907572864. Its totient is φ = 812177320960.

The previous prime is 2157346015567. The next prime is 2157346015609. The reversal of 2157346015600 is 65106437512.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2157346015609) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158621584 + ... + 158635183.

Almost surely, 2^{2157346015600} is an apocalyptic number.

2157346015600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2157346015600 is an abundant number, since it is smaller than the sum of its proper divisors (3330561557264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2157346015600 is a wasteful number, since it uses less digits than its factorization.

2157346015600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317256802 (or 317256791 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 2157346015600 in words is "two trillion, one hundred fifty-seven billion, three hundred forty-six million, fifteen thousand, six hundred".