15158454551 has 2 divisors, whose sum is σ = 15158454552. Its totient is φ = 15158454550.

The previous prime is 15158454533. The next prime is 15158454559. The reversal of 15158454551 is 15545485151.

15158454551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15158454551 - 2³⁰ = 14084712727 is a prime.

It is a super-2 number, since 2×15158454551² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15158454559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7579227275 + 7579227276.

It is an arithmetic number, because the mean of its divisors is an integer number (7579227276).

Almost surely, 2^15158454551 is an apocalyptic number.

15158454551 is a deficient number, since it is larger than the sum of its proper divisors (1).

15158454551 is an equidigital number, since it uses as much as digits as its factorization.

15158454551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 400000, while the sum is 44.

The spelling of 15158454551 in words is "fifteen billion, one hundred fifty-eight million, four hundred fifty-four thousand, five hundred fifty-one".