1148564257403 has 4 divisors (see below), whose sum is σ = 1148667177288. Its totient is φ = 1148461337520.

The previous prime is 1148564257367. The next prime is 1148564257411. The reversal of 1148564257403 is 3047524658411.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1148564257403 - 2⁶ = 1148564257339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1148564257003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51443201 + ... + 51465522.

It is an arithmetic number, because the mean of its divisors is an integer number (287166794322).

Almost surely, 2^{1148564257403} is an apocalyptic number.

1148564257403 is a deficient number, since it is larger than the sum of its proper divisors (102919885).

1148564257403 is a wasteful number, since it uses less digits than its factorization.

1148564257403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102919884.

The product of its (nonzero) digits is 3225600, while the sum is 50.

The spelling of 1148564257403 in words is "one trillion, one hundred forty-eight billion, five hundred sixty-four million, two hundred fifty-seven thousand, four hundred three".