61122044215 has 16 divisors (see below), whose sum is σ = 74072232000. Its totient is φ = 48413958912.

The previous prime is 61122044197. The next prime is 61122044231. The reversal of 61122044215 is 51244022116.

61122044215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 61122044215 - 2¹³ = 61122036023 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5024961 + ... + 5037109.

It is an arithmetic number, because the mean of its divisors is an integer number (4629514500).

Almost surely, 2^61122044215 is an apocalyptic number.

61122044215 is a deficient number, since it is larger than the sum of its proper divisors (12950187785).

61122044215 is a wasteful number, since it uses less digits than its factorization.

61122044215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22026.

The product of its (nonzero) digits is 3840, while the sum is 28.

The spelling of 61122044215 in words is "sixty-one billion, one hundred twenty-two million, forty-four thousand, two hundred fifteen".