1561632461032 has 32 divisors (see below), whose sum is σ = 3461746838400. Its totient is φ = 646192741824.

The previous prime is 1561632461009. The next prime is 1561632461041. The reversal of 1561632461032 is 2301642361651.

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, 480796548 + ... + 480799795.

It is an arithmetic number, because the mean of its divisors is an integer number (108179588700).

Almost surely, 2^{1561632461032} is an apocalyptic number.

It is an amenable number.

1561632461032 is an abundant number, since it is smaller than the sum of its proper divisors (1900114377368).

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

1561632461032 is a wasteful number, since it uses less digits than its factorization.

1561632461032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961596385 (or 961596381 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 1561632461032 in words is "one trillion, five hundred sixty-one billion, six hundred thirty-two million, four hundred sixty-one thousand, thirty-two".