561132615415450 has 96 divisors (see below), whose sum is σ = 1147924725615360. Its totient is φ = 202775966611200.

The previous prime is 561132615415441. The next prime is 561132615415483. The reversal of 561132615415450 is 54514516231165.

It is a junction number, because it is equal to n+sod(n) for n = 561132615415394 and 561132615415403.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2815968820 + ... + 2816168080.

It is an arithmetic number, because the mean of its divisors is an integer number (11957549225160).

Almost surely, 2^{561132615415450} is an apocalyptic number.

561132615415450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

561132615415450 is an abundant number, since it is smaller than the sum of its proper divisors (586792110199910).

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

561132615415450 is a wasteful number, since it uses less digits than its factorization.

561132615415450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291512 (or 291507 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 49.

The spelling of 561132615415450 in words is "five hundred sixty-one trillion, one hundred thirty-two billion, six hundred fifteen million, four hundred fifteen thousand, four hundred fifty".