15105040002 has 64 divisors (see below), whose sum is σ = 36606528000. Its totient is φ = 4588856064.

The previous prime is 15105040001. The next prime is 15105040003. The reversal of 15105040002 is 20004050151.

It is an interprime number because it is at equal distance from previous prime (15105040001) and next prime (15105040003).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (15105040001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80727 + ... + 191642.

It is an arithmetic number, because the mean of its divisors is an integer number (571977000).

Almost surely, 2^15105040002 is an apocalyptic number.

15105040002 is an abundant number, since it is smaller than the sum of its proper divisors (21501487998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15105040002 is a wasteful number, since it uses less digits than its factorization.

15105040002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272472 (or 272466 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

Adding to 15105040002 its reverse (20004050151), we get a palindrome (35109090153).

The spelling of 15105040002 in words is "fifteen billion, one hundred five million, forty thousand, two".