611309471652 has 72 divisors (see below), whose sum is σ = 1697859901920. Its totient is φ = 183912577920.

The previous prime is 611309471639. The next prime is 611309471671. The reversal of 611309471652 is 256174903116.

611309471652 is a `hidden beast` number, since 6 + 113 + 0 + 9 + 471 + 65 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 611309471598 and 611309471607.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5497873 + ... + 5607960.

Almost surely, 2^611309471652 is an apocalyptic number.

It is an amenable number.

611309471652 is an abundant number, since it is smaller than the sum of its proper divisors (1086550430268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

611309471652 is a wasteful number, since it uses less digits than its factorization.

611309471652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11105993 (or 11105988 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 611309471652 in words is "six hundred eleven billion, three hundred nine million, four hundred seventy-one thousand, six hundred fifty-two".