1148938817152 has 64 divisors (see below), whose sum is σ = 2616488202240. Its totient is φ = 492289274880.

The previous prime is 1148938817141. The next prime is 1148938817161. The reversal of 1148938817152 is 2517188398411.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×1148938817152² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3816193 + ... + 4106239.

It is an arithmetic number, because the mean of its divisors is an integer number (40882628160).

Almost surely, 2^{1148938817152} is an apocalyptic number.

It is an amenable number.

1148938817152 is an abundant number, since it is smaller than the sum of its proper divisors (1467549385088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1148938817152 is an equidigital number, since it uses as much as digits as its factorization.

1148938817152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294489 (or 294477 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 58.

The spelling of 1148938817152 in words is "one trillion, one hundred forty-eight billion, nine hundred thirty-eight million, eight hundred seventeen thousand, one hundred fifty-two".