10402005015 has 24 divisors (see below), whose sum is σ = 18697927248. Its totient is φ = 5547735360.

The previous prime is 10402004959. The next prime is 10402005037. The reversal of 10402005015 is 51050020401.

It is not a de Polignac number, because 10402005015 - 2¹⁴ = 10401988631 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4279446 + ... + 4281875.

It is an arithmetic number, because the mean of its divisors is an integer number (779080302).

Almost surely, 2^10402005015 is an apocalyptic number.

10402005015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10402005015 is a deficient number, since it is larger than the sum of its proper divisors (8295922233).

10402005015 is an frugal number, since it uses more digits than its factorization.

10402005015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8561341 (or 8561329 counting only the distinct ones).

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

Adding to 10402005015 its reverse (51050020401), we get a palindrome (61452025416).

The spelling of 10402005015 in words is "ten billion, four hundred two million, five thousand, fifteen".