152505782791 has 2 divisors, whose sum is σ = 152505782792. Its totient is φ = 152505782790.

The previous prime is 152505782731. The next prime is 152505782879. The reversal of 152505782791 is 197287505251.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 152505782791 - 2²¹ = 152503685639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152505782711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76252891395 + 76252891396.

It is an arithmetic number, because the mean of its divisors is an integer number (76252891396).

Almost surely, 2^152505782791 is an apocalyptic number.

152505782791 is a deficient number, since it is larger than the sum of its proper divisors (1).

152505782791 is an equidigital number, since it uses as much as digits as its factorization.

152505782791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764000, while the sum is 52.

The spelling of 152505782791 in words is "one hundred fifty-two billion, five hundred five million, seven hundred eighty-two thousand, seven hundred ninety-one".