61257241474 has 48 divisors (see below), whose sum is σ = 109498447800. Its totient is φ = 25529644800.

The previous prime is 61257241447. The next prime is 61257241483. The reversal of 61257241474 is 47414275216.

It can be written as a sum of positive squares in 4 ways, for example, as 32691171249 + 28566070225 = 180807^2 + 169015^2 .

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 61257241474.

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 23 ways as a sum of consecutive naturals, for example, 403414 + ... + 534094.

Almost surely, 2^61257241474 is an apocalyptic number.

61257241474 is a deficient number, since it is larger than the sum of its proper divisors (48241206326).

61257241474 is a wasteful number, since it uses less digits than its factorization.

61257241474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130867 (or 130856 counting only the distinct ones).

The product of its digits is 376320, while the sum is 43.

The spelling of 61257241474 in words is "sixty-one billion, two hundred fifty-seven million, two hundred forty-one thousand, four hundred seventy-four".