612116020055 has 4 divisors (see below), whose sum is σ = 734539224072. Its totient is φ = 489692816040.

The previous prime is 612116020039. The next prime is 612116020073. The reversal of 612116020055 is 550020611216.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 612116020055 - 2⁴ = 612116020039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61211602001 + ... + 61211602010.

It is an arithmetic number, because the mean of its divisors is an integer number (183634806018).

Almost surely, 2^612116020055 is an apocalyptic number.

612116020055 is a deficient number, since it is larger than the sum of its proper divisors (122423204017).

612116020055 is a wasteful number, since it uses less digits than its factorization.

612116020055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122423204016.

The product of its (nonzero) digits is 3600, while the sum is 29.

The spelling of 612116020055 in words is "six hundred twelve billion, one hundred sixteen million, twenty thousand, fifty-five".