663525012315 has 32 divisors (see below), whose sum is σ = 1180004702976. Its totient is φ = 315639109760.

The previous prime is 663525012301. The next prime is 663525012341. The reversal of 663525012315 is 513210525366.

It is not a de Polignac number, because 663525012315 - 2⁴ = 663525012299 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37928649 + ... + 37946138.

It is an arithmetic number, because the mean of its divisors is an integer number (36875146968).

Almost surely, 2^663525012315 is an apocalyptic number.

663525012315 is a deficient number, since it is larger than the sum of its proper divisors (516479690661).

663525012315 is a wasteful number, since it uses less digits than its factorization.

663525012315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75874859.

The product of its (nonzero) digits is 162000, while the sum is 39.

The spelling of 663525012315 in words is "six hundred sixty-three billion, five hundred twenty-five million, twelve thousand, three hundred fifteen".