58720605261 has 4 divisors (see below), whose sum is σ = 78294140352. Its totient is φ = 39147070172.

The previous prime is 58720605257. The next prime is 58720605343. The reversal of 58720605261 is 16250602785.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 58720605261 - 2² = 58720605257 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58720605061) 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, 9786767541 + ... + 9786767546.

It is an arithmetic number, because the mean of its divisors is an integer number (19573535088).

Almost surely, 2^58720605261 is an apocalyptic number.

It is an amenable number.

58720605261 is a deficient number, since it is larger than the sum of its proper divisors (19573535091).

58720605261 is a wasteful number, since it uses less digits than its factorization.

58720605261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19573535090.

The product of its (nonzero) digits is 201600, while the sum is 42.

The spelling of 58720605261 in words is "fifty-eight billion, seven hundred twenty million, six hundred five thousand, two hundred sixty-one".