61148781042124 has 12 divisors (see below), whose sum is σ = 107015132952784. Its totient is φ = 30573028769904.

The previous prime is 61148781042101. The next prime is 61148781042143. The reversal of 61148781042124 is 42124018784116.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340336752 + ... + 340516375.

Almost surely, 2^{61148781042124} is an apocalyptic number.

It is an amenable number.

61148781042124 is a deficient number, since it is larger than the sum of its proper divisors (45866351910660).

61148781042124 is a wasteful number, since it uses less digits than its factorization.

61148781042124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680875584 (or 680875582 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 49.

The spelling of 61148781042124 in words is "sixty-one trillion, one hundred forty-eight billion, seven hundred eighty-one million, forty-two thousand, one hundred twenty-four".