561010506045 has 64 divisors (see below), whose sum is σ = 994828815360. Its totient is φ = 267676992000.

The previous prime is 561010506031. The next prime is 561010506047. The reversal of 561010506045 is 540605010165.

It is not a de Polignac number, because 561010506045 - 2⁴ = 561010506029 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 561010505997 and 561010506015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561010506047) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11240145 + ... + 11289945.

It is an arithmetic number, because the mean of its divisors is an integer number (15544200240).

Almost surely, 2^561010506045 is an apocalyptic number.

561010506045 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

561010506045 is a deficient number, since it is larger than the sum of its proper divisors (433818309315).

561010506045 is a wasteful number, since it uses less digits than its factorization.

561010506045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50906.

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 561010506045 in words is "five hundred sixty-one billion, ten million, five hundred six thousand, forty-five".