15120105245 has 16 divisors (see below), whose sum is σ = 20770675968. Its totient is φ = 10350806400.

The previous prime is 15120105239. The next prime is 15120105257. The reversal of 15120105245 is 54250102151.

It is not a de Polignac number, because 15120105245 - 2¹⁶ = 15120039709 is a prime.

It is a congruent number.

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, 338369 + ... + 380438.

It is an arithmetic number, because the mean of its divisors is an integer number (1298167248).

Almost surely, 2^15120105245 is an apocalyptic number.

It is an amenable number.

15120105245 is a deficient number, since it is larger than the sum of its proper divisors (5650570723).

15120105245 is an equidigital number, since it uses as much as digits as its factorization.

15120105245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719420.

The product of its (nonzero) digits is 2000, while the sum is 26.

Adding to 15120105245 its reverse (54250102151), we get a palindrome (69370207396).

The spelling of 15120105245 in words is "fifteen billion, one hundred twenty million, one hundred five thousand, two hundred forty-five".