15158078851 has 2 divisors, whose sum is σ = 15158078852. Its totient is φ = 15158078850.

The previous prime is 15158078801. The next prime is 15158078891. The reversal of 15158078851 is 15887085151.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15158078851 - 2¹³ = 15158070659 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15158078795 and 15158078804.

It is not a weakly prime, because it can be changed into another prime (15158078801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7579039425 + 7579039426.

It is an arithmetic number, because the mean of its divisors is an integer number (7579039426).

Almost surely, 2^15158078851 is an apocalyptic number.

15158078851 is a deficient number, since it is larger than the sum of its proper divisors (1).

15158078851 is an equidigital number, since it uses as much as digits as its factorization.

15158078851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448000, while the sum is 49.

The spelling of 15158078851 in words is "fifteen billion, one hundred fifty-eight million, seventy-eight thousand, eight hundred fifty-one".