61148512182 has 16 divisors (see below), whose sum is σ = 122463877680. Its totient is φ = 20355028512.

The previous prime is 61148512177. The next prime is 61148512211. The reversal of 61148512182 is 28121584116.

It is a super-2 number, since 2×61148512182² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61148512182.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6947457 + ... + 6956252.

It is an arithmetic number, because the mean of its divisors is an integer number (7653992355).

Almost surely, 2^61148512182 is an apocalyptic number.

61148512182 is an abundant number, since it is smaller than the sum of its proper divisors (61315365498).

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

61148512182 is a wasteful number, since it uses less digits than its factorization.

61148512182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13904447.

The product of its digits is 30720, while the sum is 39.

The spelling of 61148512182 in words is "sixty-one billion, one hundred forty-eight million, five hundred twelve thousand, one hundred eighty-two".