15005525552540 has 24 divisors (see below), whose sum is σ = 31512448620240. Its totient is φ = 6002049276288.

The previous prime is 15005525552503. The next prime is 15005525552561. The reversal of 15005525552540 is 4525552550051.

It is a junction number, because it is equal to n+sod(n) for n = 15005525552491 and 15005525552500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9293105 + ... + 10787624.

It is an arithmetic number, because the mean of its divisors is an integer number (1313018692510).

Almost surely, 2^{15005525552540} is an apocalyptic number.

15005525552540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15005525552540 is an abundant number, since it is smaller than the sum of its proper divisors (16506923067700).

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

15005525552540 is a wasteful number, since it uses less digits than its factorization.

15005525552540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20118101 (or 20118099 counting only the distinct ones).

The product of its (nonzero) digits is 1250000, while the sum is 44.

The spelling of 15005525552540 in words is "fifteen trillion, five billion, five hundred twenty-five million, five hundred fifty-two thousand, five hundred forty".