612112176453811 has 16 divisors (see below), whose sum is σ = 671888380278528. Its totient is φ = 553024581343200.

The previous prime is 612112176453797. The next prime is 612112176453859. The reversal of 612112176453811 is 118354671211216.

It is a cyclic number.

It is not a de Polignac number, because 612112176453811 - 2³¹ = 612110028970163 is a prime.

It is a super-2 number, since 2×612112176453811² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (612112176403811) 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, 28225221 + ... + 44954281.

It is an arithmetic number, because the mean of its divisors is an integer number (41993023767408).

Almost surely, 2^{612112176453811} is an apocalyptic number.

612112176453811 is a deficient number, since it is larger than the sum of its proper divisors (59776203824717).

612112176453811 is a wasteful number, since it uses less digits than its factorization.

612112176453811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16749642.

The product of its digits is 483840, while the sum is 49.

The spelling of 612112176453811 in words is "six hundred twelve trillion, one hundred twelve billion, one hundred seventy-six million, four hundred fifty-three thousand, eight hundred eleven".