10015320155 has 4 divisors (see below), whose sum is σ = 12018384192. Its totient is φ = 8012256120.

The previous prime is 10015320149. The next prime is 10015320167. The reversal of 10015320155 is 55102351001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 10015320155 - 2¹⁰ = 10015319131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10015320155.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1001532011 + ... + 1001532020.

It is an arithmetic number, because the mean of its divisors is an integer number (3004596048).

Almost surely, 2^10015320155 is an apocalyptic number.

10015320155 is a deficient number, since it is larger than the sum of its proper divisors (2003064037).

10015320155 is an equidigital number, since it uses as much as digits as its factorization.

10015320155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2003064036.

The product of its (nonzero) digits is 750, while the sum is 23.

Adding to 10015320155 its reverse (55102351001), we get a palindrome (65117671156).

The spelling of 10015320155 in words is "ten billion, fifteen million, three hundred twenty thousand, one hundred fifty-five".