1148772388864 has 39 divisors (see below), whose sum is σ = 2297401498587. Its totient is φ = 574351896576.

The previous prime is 1148772388801. The next prime is 1148772388879. The reversal of 1148772388864 is 4688832778411.

The square root of 1148772388864 is 1071808.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1148772388864.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 68587339 + ... + 68604085.

It is an arithmetic number, because the mean of its divisors is an integer number (58907730733).

Almost surely, 2^{1148772388864} is an apocalyptic number.

1148772388864 is the 1071808-th square number.

It is an amenable number.

1148772388864 is a deficient number, since it is larger than the sum of its proper divisors (1148629109723).

1148772388864 is an frugal number, since it uses more digits than its factorization.

1148772388864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33518 (or 16749 counting only the distinct ones).

The product of its digits is 115605504, while the sum is 67.

The spelling of 1148772388864 in words is "one trillion, one hundred forty-eight billion, seven hundred seventy-two million, three hundred eighty-eight thousand, eight hundred sixty-four".