575718255121 has 9 divisors (see below), whose sum is σ = 611589842161. Its totient is φ = 541840335232.

The previous prime is 575718255107. The next prime is 575718255137. The reversal of 575718255121 is 121552817575.

The square root of 575718255121 is 758761.

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

It can be written as a sum of positive squares in 4 ways, for example, as 255316973521 + 320401281600 = 505289^2 + 566040^2 .

It is not a de Polignac number, because 575718255121 - 2³⁵ = 541358516753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (575718252121) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 12876621 + ... + 12921253.

Almost surely, 2^575718255121 is an apocalyptic number.

575718255121 is the 758761-st square number.

575718255121 is the 379381-st centered octagonal number.

It is an amenable number.

575718255121 is a deficient number, since it is larger than the sum of its proper divisors (35871587040).

575718255121 is an frugal number, since it uses more digits than its factorization.

575718255121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89300 (or 44650 counting only the distinct ones).

The product of its digits is 980000, while the sum is 49.

Multiplying 575718255121 by its sum of digits (49), we get a square (28210194500929 = 5311327²).

The spelling of 575718255121 in words is "five hundred seventy-five billion, seven hundred eighteen million, two hundred fifty-five thousand, one hundred twenty-one".