755538813157 has 2 divisors, whose sum is σ = 755538813158. Its totient is φ = 755538813156.

The previous prime is 755538813119. The next prime is 755538813173. The reversal of 755538813157 is 751318835557.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 629929529761 + 125609283396 = 793681^2 + 354414^2 .

It is a cyclic number.

It is not a de Polignac number, because 755538813157 - 2¹⁵ = 755538780389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (755538813857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 377769406578 + 377769406579.

It is an arithmetic number, because the mean of its divisors is an integer number (377769406579).

Almost surely, 2^755538813157 is an apocalyptic number.

It is an amenable number.

755538813157 is a deficient number, since it is larger than the sum of its proper divisors (1).

755538813157 is an equidigital number, since it uses as much as digits as its factorization.

755538813157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17640000, while the sum is 58.

The spelling of 755538813157 in words is "seven hundred fifty-five billion, five hundred thirty-eight million, eight hundred thirteen thousand, one hundred fifty-seven".