56505240151 has 2 divisors, whose sum is σ = 56505240152. Its totient is φ = 56505240150.

The previous prime is 56505240139. The next prime is 56505240221. The reversal of 56505240151 is 15104250565.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56505240151 - 2³¹ = 54357756503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56505246151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28252620075 + 28252620076.

It is an arithmetic number, because the mean of its divisors is an integer number (28252620076).

Almost surely, 2^56505240151 is an apocalyptic number.

56505240151 is a deficient number, since it is larger than the sum of its proper divisors (1).

56505240151 is an equidigital number, since it uses as much as digits as its factorization.

56505240151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30000, while the sum is 34.

The spelling of 56505240151 in words is "fifty-six billion, five hundred five million, two hundred forty thousand, one hundred fifty-one".