151221401352 has 108 divisors (see below), whose sum is σ = 476497349055. Its totient is φ = 43199515296.

The previous prime is 151221401329. The next prime is 151221401369. The reversal of 151221401352 is 253104122151.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

151221401352 is a `hidden beast` number, since 1 + 5 + 1 + 221 + 401 + 35 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 75610700676 + 75610700676 = 274974^2 + 274974^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=274974.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 23094543 + ... + 23101089.

Almost surely, 2^151221401352 is an apocalyptic number.

151221401352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151221401352

151221401352 is an abundant number, since it is smaller than the sum of its proper divisors (325275947703).

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

151221401352 is an frugal number, since it uses more digits than its factorization.

151221401352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13120 (or 6559 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The spelling of 151221401352 in words is "one hundred fifty-one billion, two hundred twenty-one million, four hundred one thousand, three hundred fifty-two".