151052536621 has 6 divisors (see below), whose sum is σ = 175714175310. Its totient is φ = 129473602776.

The previous prime is 151052536619. The next prime is 151052536631. The reversal of 151052536621 is 126635250151.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 82872015625 + 68180520996 = 287875^2 + 261114^2 .

It is not a de Polignac number, because 151052536621 - 2¹ = 151052536619 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151052536631) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1541352366 + ... + 1541352463.

It is an arithmetic number, because the mean of its divisors is an integer number (29285695885).

Almost surely, 2^151052536621 is an apocalyptic number.

It is an amenable number.

151052536621 is a deficient number, since it is larger than the sum of its proper divisors (24661638689).

151052536621 is an equidigital number, since it uses as much as digits as its factorization.

151052536621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3082704843 (or 3082704836 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 37.

Adding to 151052536621 its reverse (126635250151), we get a palindrome (277687786772).

The spelling of 151052536621 in words is "one hundred fifty-one billion, fifty-two million, five hundred thirty-six thousand, six hundred twenty-one".