3112377123861 has 24 divisors (see below), whose sum is σ = 4569486714936. Its totient is φ = 2040844256640.

The previous prime is 3112377123859. The next prime is 3112377123901. The reversal of 3112377123861 is 1683217732113.

3112377123861 is a `hidden beast` number, since 31 + 1 + 237 + 7 + 1 + 2 + 386 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 272076992100 + 2840300131761 = 521610^2 + 1685319^2 .

It is not a de Polignac number, because 3112377123861 - 2¹ = 3112377123859 is a prime.

It is a super-2 number, since 2×3112377123861² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3112377123841) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27444471 + ... + 27557643.

It is an arithmetic number, because the mean of its divisors is an integer number (190395279789).

Almost surely, 2^{3112377123861} is an apocalyptic number.

It is an amenable number.

3112377123861 is a deficient number, since it is larger than the sum of its proper divisors (1457109591075).

3112377123861 is a wasteful number, since it uses less digits than its factorization.

3112377123861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163333 (or 163330 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The spelling of 3112377123861 in words is "three trillion, one hundred twelve billion, three hundred seventy-seven million, one hundred twenty-three thousand, eight hundred sixty-one".