611139821924 has 12 divisors (see below), whose sum is σ = 1103994517248. Its totient is φ = 295712817000.

The previous prime is 611139821923. The next prime is 611139821933. The reversal of 611139821924 is 429128931116.

It is not an unprimeable number, because it can be changed into a prime (611139821921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2464273352 + ... + 2464273599.

It is an arithmetic number, because the mean of its divisors is an integer number (91999543104).

Almost surely, 2^611139821924 is an apocalyptic number.

It is an amenable number.

611139821924 is a deficient number, since it is larger than the sum of its proper divisors (492854695324).

611139821924 is a wasteful number, since it uses less digits than its factorization.

611139821924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4928546986 (or 4928546984 counting only the distinct ones).

The product of its digits is 186624, while the sum is 47.

The spelling of 611139821924 in words is "six hundred eleven billion, one hundred thirty-nine million, eight hundred twenty-one thousand, nine hundred twenty-four".