13524321157 has 2 divisors, whose sum is σ = 13524321158. Its totient is φ = 13524321156.

The previous prime is 13524321143. The next prime is 13524321221. The reversal of 13524321157 is 75112342531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9345862276 + 4178458881 = 96674^2 + 64641^2 .

It is a cyclic number.

It is not a de Polignac number, because 13524321157 - 2⁷ = 13524321029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13524321557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6762160578 + 6762160579.

It is an arithmetic number, because the mean of its divisors is an integer number (6762160579).

Almost surely, 2^13524321157 is an apocalyptic number.

It is an amenable number.

13524321157 is a deficient number, since it is larger than the sum of its proper divisors (1).

13524321157 is an equidigital number, since it uses as much as digits as its factorization.

13524321157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25200, while the sum is 34.

Adding to 13524321157 its reverse (75112342531), we get a palindrome (88636663688).

The spelling of 13524321157 in words is "thirteen billion, five hundred twenty-four million, three hundred twenty-one thousand, one hundred fifty-seven".