315135521632 has 48 divisors (see below), whose sum is σ = 621444915504. Its totient is φ = 157308480000.

The previous prime is 315135521563. The next prime is 315135521647. The reversal of 315135521632 is 236125531513.

It is a junction number, because it is equal to n+sod(n) for n = 315135521591 and 315135521600.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77790007 + ... + 77794057.

It is an arithmetic number, because the mean of its divisors is an integer number (12946769073).

Almost surely, 2^315135521632 is an apocalyptic number.

315135521632 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

315135521632 is a deficient number, since it is larger than the sum of its proper divisors (306309393872).

315135521632 is a wasteful number, since it uses less digits than its factorization.

315135521632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7463 (or 7455 counting only the distinct ones).

The product of its digits is 81000, while the sum is 37.

The spelling of 315135521632 in words is "three hundred fifteen billion, one hundred thirty-five million, five hundred twenty-one thousand, six hundred thirty-two".