15230100505 has 8 divisors (see below), whose sum is σ = 19351186632. Its totient is φ = 11467369728.

The previous prime is 15230100497. The next prime is 15230100527. The reversal of 15230100505 is 50500103251.

It can be written as a sum of positive squares in 4 ways, for example, as 4174839769 + 11055260736 = 64613^2 + 105144^2 .

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 15230100505 - 2³ = 15230100497 is a prime.

It is a super-2 number, since 2×15230100505² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89588742 + ... + 89588911.

It is an arithmetic number, because the mean of its divisors is an integer number (2418898329).

Almost surely, 2^15230100505 is an apocalyptic number.

It is an amenable number.

15230100505 is a deficient number, since it is larger than the sum of its proper divisors (4121086127).

15230100505 is a wasteful number, since it uses less digits than its factorization.

15230100505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179177675.

The product of its (nonzero) digits is 750, while the sum is 22.

Adding to 15230100505 its reverse (50500103251), we get a palindrome (65730203756).

The spelling of 15230100505 in words is "fifteen billion, two hundred thirty million, one hundred thousand, five hundred five".