15500192401 has 2 divisors, whose sum is σ = 15500192402. Its totient is φ = 15500192400.

The previous prime is 15500192353. The next prime is 15500192437. The reversal of 15500192401 is 10429100551.

15500192401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10624661776 + 4875530625 = 103076^2 + 69825^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15500192401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15500192401.

It is not a weakly prime, because it can be changed into another prime (15500192471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7750096200 + 7750096201.

It is an arithmetic number, because the mean of its divisors is an integer number (7750096201).

Almost surely, 2^15500192401 is an apocalyptic number.

It is an amenable number.

15500192401 is a deficient number, since it is larger than the sum of its proper divisors (1).

15500192401 is an equidigital number, since it uses as much as digits as its factorization.

15500192401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 28.

Adding to 15500192401 its reverse (10429100551), we get a palindrome (25929292952).

The spelling of 15500192401 in words is "fifteen billion, five hundred million, one hundred ninety-two thousand, four hundred one".