2157514376500 has 48 divisors (see below), whose sum is σ = 5385155892480. Its totient is φ = 739719213600.

The previous prime is 2157514376473. The next prime is 2157514376509. The reversal of 2157514376500 is 56734157512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2157514376509) 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, 308212840 + ... + 308219839.

It is an arithmetic number, because the mean of its divisors is an integer number (112190747760).

Almost surely, 2^{2157514376500} is an apocalyptic number.

2157514376500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2157514376500 is an abundant number, since it is smaller than the sum of its proper divisors (3227641515980).

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

2157514376500 is a wasteful number, since it uses less digits than its factorization.

2157514376500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616432705 (or 616432693 counting only the distinct ones).

The product of its (nonzero) digits is 882000, while the sum is 46.

The spelling of 2157514376500 in words is "two trillion, one hundred fifty-seven billion, five hundred fourteen million, three hundred seventy-six thousand, five hundred".