151268221563 has 8 divisors (see below), whose sum is σ = 201920943888. Its totient is φ = 100730490144.

The previous prime is 151268221471. The next prime is 151268221591. The reversal of 151268221563 is 365122862151.

151268221563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 151268221563 - 2⁹ = 151268221051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (151268226563) 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 7 ways as a sum of consecutive naturals, for example, 28744656 + ... + 28749917.

It is an arithmetic number, because the mean of its divisors is an integer number (25240117986).

Almost surely, 2^151268221563 is an apocalyptic number.

151268221563 is a deficient number, since it is larger than the sum of its proper divisors (50652722325).

151268221563 is an equidigital number, since it uses as much as digits as its factorization.

151268221563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57495453.

The product of its digits is 172800, while the sum is 42.

The spelling of 151268221563 in words is "one hundred fifty-one billion, two hundred sixty-eight million, two hundred twenty-one thousand, five hundred sixty-three".