152808378251 has 4 divisors (see below), whose sum is σ = 154742661600. Its totient is φ = 150874094904.

The previous prime is 152808378223. The next prime is 152808378271. The reversal of 152808378251 is 152873808251.

It is a happy number.

152808378251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 152808378251 - 2⁶ = 152808378187 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 152808378251.

It is not an unprimeable number, because it can be changed into a prime (152808378271) 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 in 3 ways as a sum of consecutive naturals, for example, 967141556 + ... + 967141713.

It is an arithmetic number, because the mean of its divisors is an integer number (38685665400).

Almost surely, 2^152808378251 is an apocalyptic number.

152808378251 is a deficient number, since it is larger than the sum of its proper divisors (1934283349).

152808378251 is an equidigital number, since it uses as much as digits as its factorization.

152808378251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1934283348.

The product of its (nonzero) digits is 1075200, while the sum is 50.

The spelling of 152808378251 in words is "one hundred fifty-two billion, eight hundred eight million, three hundred seventy-eight thousand, two hundred fifty-one".