75611060813 has 8 divisors (see below), whose sum is σ = 76413668760. Its totient is φ = 74810433600.

The previous prime is 75611060717. The next prime is 75611060831. The reversal of 75611060813 is 31806011657.

It can be written as a sum of positive squares in 4 ways, for example, as 56900377444 + 18710683369 = 238538^2 + 136787^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 75611060813 - 2¹⁰ = 75611059789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75611060873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418370 + ... + 571187.

It is an arithmetic number, because the mean of its divisors is an integer number (9551708595).

Almost surely, 2^75611060813 is an apocalyptic number.

It is an amenable number.

75611060813 is a deficient number, since it is larger than the sum of its proper divisors (802607947).

75611060813 is a wasteful number, since it uses less digits than its factorization.

75611060813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990367.

The product of its (nonzero) digits is 30240, while the sum is 38.

The spelling of 75611060813 in words is "seventy-five billion, six hundred eleven million, sixty thousand, eight hundred thirteen".