61148781042125 has 64 divisors (see below), whose sum is σ = 95530308456960. Its totient is φ = 38103256396800.

The previous prime is 61148781042101. The next prime is 61148781042143. The reversal of 61148781042125 is 52124018784116.

It is not a de Polignac number, because 61148781042125 - 2³⁰ = 61147707300301 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 70445219 + ... + 71307968.

It is an arithmetic number, because the mean of its divisors is an integer number (1492661069640).

Almost surely, 2^{61148781042125} is an apocalyptic number.

It is an amenable number.

61148781042125 is a deficient number, since it is larger than the sum of its proper divisors (34381527414835).

61148781042125 is a wasteful number, since it uses less digits than its factorization.

61148781042125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141753255 (or 141753245 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 50.

The spelling of 61148781042125 in words is "sixty-one trillion, one hundred forty-eight billion, seven hundred eighty-one million, forty-two thousand, one hundred twenty-five".