185113489357 has 2 divisors, whose sum is σ = 185113489358. Its totient is φ = 185113489356.

The previous prime is 185113489333. The next prime is 185113489381. The reversal of 185113489357 is 753984311581.

It is a balanced prime because it is at equal distance from previous prime (185113489333) and next prime (185113489381).

It can be written as a sum of positive squares in only one way, i.e., 116454292516 + 68659196841 = 341254^2 + 262029^2 .

It is an emirp because it is prime and its reverse (753984311581) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 185113489357 - 2⁷ = 185113489229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 185113489298 and 185113489307.

It is a congruent number.

It is a weakly prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 92556744678 + 92556744679.

It is an arithmetic number, because the mean of its divisors is an integer number (92556744679).

Almost surely, 2^185113489357 is an apocalyptic number.

It is an amenable number.

185113489357 is a deficient number, since it is larger than the sum of its proper divisors (1).

185113489357 is an equidigital number, since it uses as much as digits as its factorization.

185113489357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3628800, while the sum is 55.

It can be divided in two parts, 1851134 and 89357, that added together give a palindrome (1940491).

The spelling of 185113489357 in words is "one hundred eighty-five billion, one hundred thirteen million, four hundred eighty-nine thousand, three hundred fifty-seven".