151521987822 has 16 divisors (see below), whose sum is σ = 316219800960. Its totient is φ = 48311358392.

The previous prime is 151521987821. The next prime is 151521987839. The reversal of 151521987822 is 228789125151.

151521987822 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151521987821) 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, 548992572 + ... + 548992847.

It is an arithmetic number, because the mean of its divisors is an integer number (19763737560).

Almost surely, 2^151521987822 is an apocalyptic number.

151521987822 is an abundant number, since it is smaller than the sum of its proper divisors (164697813138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

151521987822 is a wasteful number, since it uses less digits than its factorization.

151521987822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097985447.

The product of its digits is 806400, while the sum is 51.

The spelling of 151521987822 in words is "one hundred fifty-one billion, five hundred twenty-one million, nine hundred eighty-seven thousand, eight hundred twenty-two".