61611510550148 has 12 divisors (see below), whose sum is σ = 116114000652300. Its totient is φ = 28436081792352.

The previous prime is 61611510550087. The next prime is 61611510550169. The reversal of 61611510550148 is 84105501511616.

It can be written as a sum of positive squares in 2 ways, for example, as 28527755135044 + 33083755415104 = 5341138^2 + 5751848^2 .

It is a junction number, because it is equal to n+sod(n) for n = 61611510550099 and 61611510550108.

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 3 ways as a sum of consecutive naturals, for example, 592418370623 + ... + 592418370726.

It is an arithmetic number, because the mean of its divisors is an integer number (9676166721025).

Almost surely, 2^{61611510550148} is an apocalyptic number.

It is an amenable number.

61611510550148 is a deficient number, since it is larger than the sum of its proper divisors (54502490102152).

61611510550148 is a wasteful number, since it uses less digits than its factorization.

61611510550148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1184836741366 (or 1184836741364 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 44.

The spelling of 61611510550148 in words is "sixty-one trillion, six hundred eleven billion, five hundred ten million, five hundred fifty thousand, one hundred forty-eight".