15003240105 has 16 divisors (see below), whose sum is σ = 27434496384. Its totient is φ = 6858624000.

The previous prime is 15003240023. The next prime is 15003240137. The reversal of 15003240105 is 50104230051.

It is not a de Polignac number, because 15003240105 - 2¹² = 15003236009 is a prime.

It is a super-2 number, since 2×15003240105² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71443896 + ... + 71444105.

It is an arithmetic number, because the mean of its divisors is an integer number (1714656024).

Almost surely, 2^15003240105 is an apocalyptic number.

15003240105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15003240105 is a deficient number, since it is larger than the sum of its proper divisors (12431256279).

15003240105 is a wasteful number, since it uses less digits than its factorization.

15003240105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142888016.

The product of its (nonzero) digits is 600, while the sum is 21.

Adding to 15003240105 its reverse (50104230051), we get a palindrome (65107470156).

The spelling of 15003240105 in words is "fifteen billion, three million, two hundred forty thousand, one hundred five".