1148252555 has 24 divisors (see below), whose sum is σ = 1501225344. Its totient is φ = 842140800.

The previous prime is 1148252533. The next prime is 1148252569. The reversal of 1148252555 is 5552528411.

It is a happy number.

It is not a de Polignac number, because 1148252555 - 2⁶ = 1148252491 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45695 + ... + 66215.

It is an arithmetic number, because the mean of its divisors is an integer number (62551056).

Almost surely, 2^1148252555 is an apocalyptic number.

1148252555 is a deficient number, since it is larger than the sum of its proper divisors (352972789).

1148252555 is a wasteful number, since it uses less digits than its factorization.

1148252555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20595 (or 20576 counting only the distinct ones).

The product of its digits is 80000, while the sum is 38.

The square root of 1148252555 is about 33885.8754498095. The cubic root of 1148252555 is about 1047.1586233295.

The spelling of 1148252555 in words is "one billion, one hundred forty-eight million, two hundred fifty-two thousand, five hundred fifty-five".