152135520521 has 8 divisors (see below), whose sum is σ = 160148704320. Its totient is φ = 144122941872.

The previous prime is 152135520517. The next prime is 152135520577. The reversal of 152135520521 is 125025531251.

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

It is a cyclic number.

It is not a de Polignac number, because 152135520521 - 2² = 152135520517 is a prime.

It is a super-2 number, since 2×152135520521² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152135520221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420131 + ... + 693383.

It is an arithmetic number, because the mean of its divisors is an integer number (20018588040).

Almost surely, 2^152135520521 is an apocalyptic number.

It is an amenable number.

152135520521 is a deficient number, since it is larger than the sum of its proper divisors (8013183799).

152135520521 is a wasteful number, since it uses less digits than its factorization.

152135520521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302575.

The product of its (nonzero) digits is 15000, while the sum is 32.

The spelling of 152135520521 in words is "one hundred fifty-two billion, one hundred thirty-five million, five hundred twenty thousand, five hundred twenty-one".