59427432148561 has 3 divisors (see below), whose sum is σ = 59427439857481. Its totient is φ = 59427424439642.

The previous prime is 59427432148547. The next prime is 59427432148607. The reversal of 59427432148561 is 16584123472495.

The square root of 59427432148561 is 7708919.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 59427432148561 - 2¹⁷ = 59427432017489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 59427432148561.

It is not an unprimeable number, because it can be changed into a prime (59427432148531) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3854460 + ... + 11563378.

Almost surely, 2^{59427432148561} is an apocalyptic number.

59427432148561 is the 7708919-th square number.

59427432148561 is the 3854460-th centered octagonal number.

It is an amenable number.

59427432148561 is a deficient number, since it is larger than the sum of its proper divisors (7708920).

59427432148561 is an frugal number, since it uses more digits than its factorization.

59427432148561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15417838 (or 7708919 counting only the distinct ones).

The product of its digits is 58060800, while the sum is 61.

The spelling of 59427432148561 in words is "fifty-nine trillion, four hundred twenty-seven billion, four hundred thirty-two million, one hundred forty-eight thousand, five hundred sixty-one".