61375012889524 has 12 divisors (see below), whose sum is σ = 107406334326564. Its totient is φ = 30687488796224.

The previous prime is 61375012889503. The next prime is 61375012889527. The reversal of 61375012889524 is 42598821057316.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 41727956639524 + 19647056250000 = 6459718^2 + 4432500^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61375012889527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6304944 + ... + 12747640.

It is an arithmetic number, because the mean of its divisors is an integer number (8950527860547).

It is a 1-persistent number, because it is pandigital, but 2⋅61375012889524 = 122750025779048 is not.

Almost surely, 2^{61375012889524} is an apocalyptic number.

It is an amenable number.

61375012889524 is a deficient number, since it is larger than the sum of its proper divisors (46031321437040).

61375012889524 is a wasteful number, since it uses less digits than its factorization.

61375012889524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8824274 (or 8824272 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 61.

The spelling of 61375012889524 in words is "sixty-one trillion, three hundred seventy-five billion, twelve million, eight hundred eighty-nine thousand, five hundred twenty-four".