2125999014540 has 48 divisors (see below), whose sum is σ = 5952900225888. Its totient is φ = 566923262464.

The previous prime is 2125999014533. The next prime is 2125999014551. The reversal of 2125999014540 is 454109995212.

It is a super-2 number, since 2×2125999014540² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3602584 + ... + 4150976.

It is an arithmetic number, because the mean of its divisors is an integer number (124018754706).

Almost surely, 2^{2125999014540} is an apocalyptic number.

2125999014540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2125999014540 is an abundant number, since it is smaller than the sum of its proper divisors (3826901211348).

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

2125999014540 is a wasteful number, since it uses less digits than its factorization.

2125999014540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613018 (or 613016 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 51.

The spelling of 2125999014540 in words is "two trillion, one hundred twenty-five billion, nine hundred ninety-nine million, fourteen thousand, five hundred forty".