611253912984 has 128 divisors (see below), whose sum is σ = 1839079226880. Its totient is φ = 166809830400.

The previous prime is 611253912917. The next prime is 611253913033. The reversal of 611253912984 is 489219352116.

It is a super-2 number, since 2×611253912984² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2031292 + ... + 2312715.

It is an arithmetic number, because the mean of its divisors is an integer number (14367806460).

Almost surely, 2^611253912984 is an apocalyptic number.

It is an amenable number.

611253912984 is an abundant number, since it is smaller than the sum of its proper divisors (1227825313896).

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

611253912984 is a wasteful number, since it uses less digits than its factorization.

611253912984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4344081 (or 4344077 counting only the distinct ones).

The product of its digits is 933120, while the sum is 51.

The spelling of 611253912984 in words is "six hundred eleven billion, two hundred fifty-three million, nine hundred twelve thousand, nine hundred eighty-four".