15056404553 has 2 divisors, whose sum is σ = 15056404554. Its totient is φ = 15056404552.

The previous prime is 15056404547. The next prime is 15056404589. The reversal of 15056404553 is 35540465051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9933710224 + 5122694329 = 99668^2 + 71573^2 .

It is a cyclic number.

It is not a de Polignac number, because 15056404553 - 2¹⁴ = 15056388169 is a prime.

It is not a weakly prime, because it can be changed into another prime (15056403553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7528202276 + 7528202277.

It is an arithmetic number, because the mean of its divisors is an integer number (7528202277).

Almost surely, 2^15056404553 is an apocalyptic number.

It is an amenable number.

15056404553 is a deficient number, since it is larger than the sum of its proper divisors (1).

15056404553 is an equidigital number, since it uses as much as digits as its factorization.

15056404553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 15056404553 in words is "fifteen billion, fifty-six million, four hundred four thousand, five hundred fifty-three".