561101503461 has 16 divisors (see below), whose sum is σ = 750237960000. Its totient is φ = 373016907648.

The previous prime is 561101503451. The next prime is 561101503507. The reversal of 561101503461 is 164305101165.

It is not a de Polignac number, because 561101503461 - 2²⁶ = 561034394597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561101503411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4136290 + ... + 4269788.

It is an arithmetic number, because the mean of its divisors is an integer number (46889872500).

Almost surely, 2^561101503461 is an apocalyptic number.

It is an amenable number.

561101503461 is a deficient number, since it is larger than the sum of its proper divisors (189136456539).

561101503461 is a wasteful number, since it uses less digits than its factorization.

561101503461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137428.

The product of its (nonzero) digits is 10800, while the sum is 33.

The spelling of 561101503461 in words is "five hundred sixty-one billion, one hundred one million, five hundred three thousand, four hundred sixty-one".