15124140401 has 2 divisors, whose sum is σ = 15124140402. Its totient is φ = 15124140400.

The previous prime is 15124140379. The next prime is 15124140503. The reversal of 15124140401 is 10404142151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9919960801 + 5204179600 = 99599^2 + 72140^2 .

It is a cyclic number.

It is not a de Polignac number, because 15124140401 - 2²² = 15119946097 is a prime.

It is not a weakly prime, because it can be changed into another prime (15124140301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7562070200 + 7562070201.

It is an arithmetic number, because the mean of its divisors is an integer number (7562070201).

Almost surely, 2^15124140401 is an apocalyptic number.

It is an amenable number.

15124140401 is a deficient number, since it is larger than the sum of its proper divisors (1).

15124140401 is an equidigital number, since it uses as much as digits as its factorization.

15124140401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 15124140401 its reverse (10404142151), we get a palindrome (25528282552).

The spelling of 15124140401 in words is "fifteen billion, one hundred twenty-four million, one hundred forty thousand, four hundred one".