2518513156140 has 48 divisors (see below), whose sum is σ = 7099164626400. Its totient is φ = 667096099840.

The previous prime is 2518513156111. The next prime is 2518513156153. The reversal of 2518513156140 is 416513158152.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2518513156092 and 2518513156101.

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, 140847501 + ... + 140865380.

It is an arithmetic number, because the mean of its divisors is an integer number (147899263050).

Almost surely, 2^{2518513156140} is an apocalyptic number.

2518513156140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2518513156140 is an abundant number, since it is smaller than the sum of its proper divisors (4580651470260).

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

2518513156140 is a wasteful number, since it uses less digits than its factorization.

2518513156140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281713042 (or 281713040 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 42.

The spelling of 2518513156140 in words is "two trillion, five hundred eighteen billion, five hundred thirteen million, one hundred fifty-six thousand, one hundred forty".