61541725588 has 24 divisors (see below), whose sum is σ = 123088702464. Its totient is φ = 26373900000.

The previous prime is 61541725573. The next prime is 61541725613. The reversal of 61541725588 is 88552714516.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1271838 + ... + 1319338.

It is an arithmetic number, because the mean of its divisors is an integer number (5128695936).

Almost surely, 2^61541725588 is an apocalyptic number.

It is an amenable number.

61541725588 is an abundant number, since it is smaller than the sum of its proper divisors (61546976876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61541725588 is a wasteful number, since it uses less digits than its factorization.

61541725588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93783 (or 93781 counting only the distinct ones).

The product of its digits is 2688000, while the sum is 52.

The spelling of 61541725588 in words is "sixty-one billion, five hundred forty-one million, seven hundred twenty-five thousand, five hundred eighty-eight".