15056457089 has 2 divisors, whose sum is σ = 15056457090. Its totient is φ = 15056457088.

The previous prime is 15056457061. The next prime is 15056457107. The reversal of 15056457089 is 98075465051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12392142400 + 2664314689 = 111320^2 + 51617^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15056457089 is a prime.

It is not a weakly prime, because it can be changed into another prime (15056457049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7528228544 + 7528228545.

It is an arithmetic number, because the mean of its divisors is an integer number (7528228545).

Almost surely, 2^15056457089 is an apocalyptic number.

It is an amenable number.

15056457089 is a deficient number, since it is larger than the sum of its proper divisors (1).

15056457089 is an equidigital number, since it uses as much as digits as its factorization.

15056457089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512000, while the sum is 50.

The spelling of 15056457089 in words is "fifteen billion, fifty-six million, four hundred fifty-seven thousand, eighty-nine".