13232221157 has 2 divisors, whose sum is σ = 13232221158. Its totient is φ = 13232221156.

The previous prime is 13232221151. The next prime is 13232221231. The reversal of 13232221157 is 75112223231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11406026401 + 1826194756 = 106799^2 + 42734^2 .

It is a cyclic number.

It is not a de Polignac number, because 13232221157 - 2¹⁶ = 13232155621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13232221151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6616110578 + 6616110579.

It is an arithmetic number, because the mean of its divisors is an integer number (6616110579).

Almost surely, 2^13232221157 is an apocalyptic number.

It is an amenable number.

13232221157 is a deficient number, since it is larger than the sum of its proper divisors (1).

13232221157 is an equidigital number, since it uses as much as digits as its factorization.

13232221157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 29.

Adding to 13232221157 its reverse (75112223231), we get a palindrome (88344444388).

The spelling of 13232221157 in words is "thirteen billion, two hundred thirty-two million, two hundred twenty-one thousand, one hundred fifty-seven".