3561072018432 has 88 divisors (see below), whose sum is σ = 9492139376736. Its totient is φ = 1186950955008.

The previous prime is 3561072018401. The next prime is 3561072018433. The reversal of 3561072018432 is 2348102701653.

It is not an unprimeable number, because it can be changed into a prime (3561072018433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76878223 + ... + 76924529.

Almost surely, 2^{3561072018432} is an apocalyptic number.

3561072018432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3561072018432 is an abundant number, since it is smaller than the sum of its proper divisors (5931067358304).

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

3561072018432 is a wasteful number, since it uses less digits than its factorization.

3561072018432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71363 (or 71345 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 3561072018432 in words is "three trillion, five hundred sixty-one billion, seventy-two million, eighteen thousand, four hundred thirty-two".