15241412987 has 2 divisors, whose sum is σ = 15241412988. Its totient is φ = 15241412986.

The previous prime is 15241412983. The next prime is 15241413017. The reversal of 15241412987 is 78921414251.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15241412987 - 2² = 15241412983 is a prime.

It is not a weakly prime, because it can be changed into another prime (15241412983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7620706493 + 7620706494.

It is an arithmetic number, because the mean of its divisors is an integer number (7620706494).

Almost surely, 2^15241412987 is an apocalyptic number.

15241412987 is a deficient number, since it is larger than the sum of its proper divisors (1).

15241412987 is an equidigital number, since it uses as much as digits as its factorization.

15241412987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161280, while the sum is 44.

The spelling of 15241412987 in words is "fifteen billion, two hundred forty-one million, four hundred twelve thousand, nine hundred eighty-seven".