75115105205353 has 2 divisors, whose sum is σ = 75115105205354. Its totient is φ = 75115105205352.

The previous prime is 75115105205347. The next prime is 75115105205363. The reversal of 75115105205353 is 35350250151157.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70239099289129 + 4876005916224 = 8380877^2 + 2208168^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75115105205353 is a prime.

It is a super-2 number, since 2×75115105205353² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (75115105205363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37557552602676 + 37557552602677.

It is an arithmetic number, because the mean of its divisors is an integer number (37557552602677).

Almost surely, 2^{75115105205353} is an apocalyptic number.

It is an amenable number.

75115105205353 is a deficient number, since it is larger than the sum of its proper divisors (1).

75115105205353 is an equidigital number, since it uses as much as digits as its factorization.

75115105205353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 393750, while the sum is 43.

The spelling of 75115105205353 in words is "seventy-five trillion, one hundred fifteen billion, one hundred five million, two hundred five thousand, three hundred fifty-three".