152040650021 has 8 divisors (see below), whose sum is σ = 163912347480. Its totient is φ = 140194132992.

The previous prime is 152040649997. The next prime is 152040650093. The reversal of 152040650021 is 120056040251.

It can be written as a sum of positive squares in 4 ways, for example, as 127012900 + 151913637121 = 11270^2 + 389761^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-152040650021 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 (152040650221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6282560 + ... + 6306713.

It is an arithmetic number, because the mean of its divisors is an integer number (20489043435).

Almost surely, 2^152040650021 is an apocalyptic number.

It is an amenable number.

152040650021 is a deficient number, since it is larger than the sum of its proper divisors (11871697459).

152040650021 is a wasteful number, since it uses less digits than its factorization.

152040650021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12590215.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 152040650021 its reverse (120056040251), we get a palindrome (272096690272).

The spelling of 152040650021 in words is "one hundred fifty-two billion, forty million, six hundred fifty thousand, twenty-one".