61231116982 has 32 divisors (see below), whose sum is σ = 110398132224. Its totient is φ = 24916226400.

The previous prime is 61231116979. The next prime is 61231117019. The reversal of 61231116982 is 28961113216.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1307994 + ... + 1353997.

It is an arithmetic number, because the mean of its divisors is an integer number (3449941632).

Almost surely, 2^61231116982 is an apocalyptic number.

61231116982 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

61231116982 is a deficient number, since it is larger than the sum of its proper divisors (49167015242).

61231116982 is a wasteful number, since it uses less digits than its factorization.

61231116982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2662084.

The product of its digits is 31104, while the sum is 40.

The spelling of 61231116982 in words is "sixty-one billion, two hundred thirty-one million, one hundred sixteen thousand, nine hundred eighty-two".