264441131152157 has 2 divisors, whose sum is σ = 264441131152158. Its totient is φ = 264441131152156.

The previous prime is 264441131152127. The next prime is 264441131152229. The reversal of 264441131152157 is 751251131144462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 163417846683001 + 101023284469156 = 12783499^2 + 10051034^2 .

It is a cyclic number.

It is not a de Polignac number, because 264441131152157 - 2⁴⁰ = 263341619524381 is a prime.

It is a super-2 number, since 2×264441131152157² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264441131152127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132220565576078 + 132220565576079.

It is an arithmetic number, because the mean of its divisors is an integer number (132220565576079).

Almost surely, 2^{264441131152157} is an apocalyptic number.

It is an amenable number.

264441131152157 is a deficient number, since it is larger than the sum of its proper divisors (1).

264441131152157 is an equidigital number, since it uses as much as digits as its factorization.

264441131152157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 806400, while the sum is 47.

The spelling of 264441131152157 in words is "two hundred sixty-four trillion, four hundred forty-one billion, one hundred thirty-one million, one hundred fifty-two thousand, one hundred fifty-seven".