561212555035 has 16 divisors (see below), whose sum is σ = 739608991200. Its totient is φ = 405415287040.

The previous prime is 561212555021. The next prime is 561212555039. The reversal of 561212555035 is 530555212165.

It is not a de Polignac number, because 561212555035 - 2¹⁷ = 561212423963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (561212555039) 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, 34232962 + ... + 34249351.

It is an arithmetic number, because the mean of its divisors is an integer number (46225561950).

Almost surely, 2^561212555035 is an apocalyptic number.

561212555035 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

561212555035 is a deficient number, since it is larger than the sum of its proper divisors (178396436165).

561212555035 is a wasteful number, since it uses less digits than its factorization.

561212555035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68482478.

The product of its (nonzero) digits is 225000, while the sum is 40.

The spelling of 561212555035 in words is "five hundred sixty-one billion, two hundred twelve million, five hundred fifty-five thousand, thirty-five".