611612461125 has 80 divisors (see below), whose sum is σ = 1153040082480. Its totient is φ = 322527744000.

The previous prime is 611612461123. The next prime is 611612461153. The reversal of 611612461125 is 521164216116.

611612461125 is a `hidden beast` number, since 6 + 1 + 1 + 6 + 12 + 4 + 611 + 25 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 466392019041 + 145220442084 = 682929^2 + 381078^2 .

It is not a de Polignac number, because 611612461125 - 2¹ = 611612461123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 611612461125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611612461123) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 561765 + ... + 1240485.

It is an arithmetic number, because the mean of its divisors is an integer number (14413001031).

Almost surely, 2^611612461125 is an apocalyptic number.

It is an amenable number.

611612461125 is a deficient number, since it is larger than the sum of its proper divisors (541427621355).

611612461125 is an equidigital number, since it uses as much as digits as its factorization.

611612461125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678837 (or 678818 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The spelling of 611612461125 in words is "six hundred eleven billion, six hundred twelve million, four hundred sixty-one thousand, one hundred twenty-five".