1511233255 has 48 divisors (see below), whose sum is σ = 2164597344. Its totient is φ = 1009532160.

The previous prime is 1511233231. The next prime is 1511233271. The reversal of 1511233255 is 5523321151.

It is not a de Polignac number, because 1511233255 - 2⁵ = 1511233223 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 47 ways as a sum of consecutive naturals, for example, 2349964 + ... + 2350606.

It is an arithmetic number, because the mean of its divisors is an integer number (45095778).

Almost surely, 2^1511233255 is an apocalyptic number.

1511233255 is a deficient number, since it is larger than the sum of its proper divisors (653364089).

1511233255 is a wasteful number, since it uses less digits than its factorization.

1511233255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896 (or 889 counting only the distinct ones).

The product of its digits is 4500, while the sum is 28.

The square root of 1511233255 is about 38874.5836633655. The cubic root of 1511233255 is about 1147.5646648990.

The spelling of 1511233255 in words is "one billion, five hundred eleven million, two hundred thirty-three thousand, two hundred fifty-five".