15020240115 has 16 divisors (see below), whose sum is σ = 24039399168. Its totient is φ = 8008456416.

The previous prime is 15020240113. The next prime is 15020240141. The reversal of 15020240115 is 51104202051.

It is not a de Polignac number, because 15020240115 - 2¹ = 15020240113 is a prime.

It is a super-2 number, since 2×15020240115² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15020240091 and 15020240100.

It is not an unprimeable number, because it can be changed into a prime (15020240111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92407 + ... + 196416.

It is an arithmetic number, because the mean of its divisors is an integer number (1502462448).

Almost surely, 2^15020240115 is an apocalyptic number.

15020240115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

15020240115 is a deficient number, since it is larger than the sum of its proper divisors (9019159053).

15020240115 is a wasteful number, since it uses less digits than its factorization.

15020240115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292298.

The product of its (nonzero) digits is 400, while the sum is 21.

Adding to 15020240115 its reverse (51104202051), we get a palindrome (66124442166).

The spelling of 15020240115 in words is "fifteen billion, twenty million, two hundred forty thousand, one hundred fifteen".