15075251045 has 4 divisors (see below), whose sum is σ = 18090301260. Its totient is φ = 12060200832.

The previous prime is 15075251017. The next prime is 15075251057. The reversal of 15075251045 is 54015257051.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3352641604 + 11722609441 = 57902^2 + 108271^2 .

It is a cyclic number.

It is not a de Polignac number, because 15075251045 - 2¹⁴ = 15075234661 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15075250996 and 15075251014.

It is a congruent number.

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, 1507525100 + ... + 1507525109.

It is an arithmetic number, because the mean of its divisors is an integer number (4522575315).

Almost surely, 2^15075251045 is an apocalyptic number.

It is an amenable number.

15075251045 is a deficient number, since it is larger than the sum of its proper divisors (3015050215).

15075251045 is an equidigital number, since it uses as much as digits as its factorization.

15075251045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3015050214.

The product of its (nonzero) digits is 35000, while the sum is 35.

The spelling of 15075251045 in words is "fifteen billion, seventy-five million, two hundred fifty-one thousand, forty-five".