157471751542813 has 2 divisors, whose sum is σ = 157471751542814. Its totient is φ = 157471751542812.

The previous prime is 157471751542687. The next prime is 157471751542877. The reversal of 157471751542813 is 318245157174751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126948038162884 + 30523713379929 = 11267122^2 + 5524827^2 .

It is a cyclic number.

It is not a de Polignac number, because 157471751542813 - 2²⁵ = 157471717988381 is a prime.

It is a super-2 number, since 2×157471751542813² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157471751542883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78735875771406 + 78735875771407.

It is an arithmetic number, because the mean of its divisors is an integer number (78735875771407).

Almost surely, 2^{157471751542813} is an apocalyptic number.

It is an amenable number.

157471751542813 is a deficient number, since it is larger than the sum of its proper divisors (1).

157471751542813 is an equidigital number, since it uses as much as digits as its factorization.

157471751542813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32928000, while the sum is 61.

The spelling of 157471751542813 in words is "one hundred fifty-seven trillion, four hundred seventy-one billion, seven hundred fifty-one million, five hundred forty-two thousand, eight hundred thirteen".