1148397617232 has 240 divisors, whose sum is σ = 3438153658368. Its totient is φ = 356989881600.

The previous prime is 1148397617219. The next prime is 1148397617239. The reversal of 1148397617232 is 2327167938411.

1148397617232 is a `hidden beast` number, since 1 + 1 + 4 + 8 + 397 + 6 + 17 + 232 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1148397617239) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40925607 + ... + 40953657.

Almost surely, 2^{1148397617232} is an apocalyptic number.

1148397617232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1148397617232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1719076829184).

1148397617232 is an abundant number, since it is smaller than the sum of its proper divisors (2289756041136).

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

1148397617232 is a wasteful number, since it uses less digits than its factorization.

1148397617232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28398 (or 28389 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The spelling of 1148397617232 in words is "one trillion, one hundred forty-eight billion, three hundred ninety-seven million, six hundred seventeen thousand, two hundred thirty-two".