2137545185125 has 48 divisors (see below), whose sum is σ = 3133321132032. Its totient is φ = 1451514304800.

The previous prime is 2137545185057. The next prime is 2137545185129. The reversal of 2137545185125 is 5215815457312.

It is not a de Polignac number, because 2137545185125 - 2⁷ = 2137545184997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2137545185129) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1063237 + ... + 2324986.

It is an arithmetic number, because the mean of its divisors is an integer number (65277523584).

Almost surely, 2^{2137545185125} is an apocalyptic number.

2137545185125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2137545185125 is a deficient number, since it is larger than the sum of its proper divisors (995775946907).

2137545185125 is a wasteful number, since it uses less digits than its factorization.

2137545185125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3388355 (or 3388338 counting only the distinct ones).

The product of its digits is 1680000, while the sum is 49.

The spelling of 2137545185125 in words is "two trillion, one hundred thirty-seven billion, five hundred forty-five million, one hundred eighty-five thousand, one hundred twenty-five".