2515023546540 has 48 divisors (see below), whose sum is σ = 7044228610272. Its totient is φ = 670466976256.

The previous prime is 2515023546493. The next prime is 2515023546551. The reversal of 2515023546540 is 456453205152.

It is a junction number, because it is equal to n+sod(n) for n = 2515023546492 and 2515023546501.

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, 6239499 + ... + 6630338.

It is an arithmetic number, because the mean of its divisors is an integer number (146754762714).

Almost surely, 2^{2515023546540} is an apocalyptic number.

2515023546540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2515023546540 is an abundant number, since it is smaller than the sum of its proper divisors (4529205063732).

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

2515023546540 is a wasteful number, since it uses less digits than its factorization.

2515023546540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12873106 (or 12873104 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 42.

The spelling of 2515023546540 in words is "two trillion, five hundred fifteen billion, twenty-three million, five hundred forty-six thousand, five hundred forty".