15100132504421 has 2 divisors, whose sum is σ = 15100132504422. Its totient is φ = 15100132504420.

The previous prime is 15100132504417. The next prime is 15100132504427. The reversal of 15100132504421 is 12440523100151.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8918668579396 + 6181463925025 = 2986414^2 + 2486255^2 .

It is a cyclic number.

It is not a de Polignac number, because 15100132504421 - 2² = 15100132504417 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15100132504427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7550066252210 + 7550066252211.

It is an arithmetic number, because the mean of its divisors is an integer number (7550066252211).

Almost surely, 2^{15100132504421} is an apocalyptic number.

It is an amenable number.

15100132504421 is a deficient number, since it is larger than the sum of its proper divisors (1).

15100132504421 is an equidigital number, since it uses as much as digits as its factorization.

15100132504421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 15100132504421 its reverse (12440523100151), we get a palindrome (27540655604572).

The spelling of 15100132504421 in words is "fifteen trillion, one hundred billion, one hundred thirty-two million, five hundred four thousand, four hundred twenty-one".