15452455987 has 2 divisors, whose sum is σ = 15452455988. Its totient is φ = 15452455986.

The previous prime is 15452455981. The next prime is 15452456023. The reversal of 15452455987 is 78955425451.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15452455987 - 2³ = 15452455979 is a prime.

It is not a weakly prime, because it can be changed into another prime (15452455981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7726227993 + 7726227994.

It is an arithmetic number, because the mean of its divisors is an integer number (7726227994).

Almost surely, 2^15452455987 is an apocalyptic number.

15452455987 is a deficient number, since it is larger than the sum of its proper divisors (1).

15452455987 is an equidigital number, since it uses as much as digits as its factorization.

15452455987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080000, while the sum is 55.

The spelling of 15452455987 in words is "fifteen billion, four hundred fifty-two million, four hundred fifty-five thousand, nine hundred eighty-seven".