1511225459 has 2 divisors, whose sum is σ = 1511225460. Its totient is φ = 1511225458.

The previous prime is 1511225393. The next prime is 1511225461. The reversal of 1511225459 is 9545221151.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1511225459 - 2⁸ = 1511225203 is a prime.

Together with 1511225461, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1511245459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 755612729 + 755612730.

It is an arithmetic number, because the mean of its divisors is an integer number (755612730).

Almost surely, 2^1511225459 is an apocalyptic number.

1511225459 is a deficient number, since it is larger than the sum of its proper divisors (1).

1511225459 is an equidigital number, since it uses as much as digits as its factorization.

1511225459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18000, while the sum is 35.

The square root of 1511225459 is about 38874.4833920658. The cubic root of 1511225459 is about 1147.5626915814.

The spelling of 1511225459 in words is "one billion, five hundred eleven million, two hundred twenty-five thousand, four hundred fifty-nine".