1143978185232 has 50 divisors (see below), whose sum is σ = 3311004766718. Its totient is φ = 381326061312.

The previous prime is 1143978185221. The next prime is 1143978185243. The reversal of 1143978185232 is 2325818793411.

1143978185232 is a `hidden beast` number, since 1 + 1 + 4 + 39 + 7 + 81 + 8 + 523 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (1143978185221) and next prime (1143978185243).

It can be written as a sum of positive squares in only one way, i.e., 755918958096 + 388059227136 = 869436^2 + 622944^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 441348313 + ... + 441350904.

Almost surely, 2^{1143978185232} is an apocalyptic number.

1143978185232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1143978185232 is an abundant number, since it is smaller than the sum of its proper divisors (2167026581486).

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

1143978185232 is an equidigital number, since it uses as much as digits as its factorization.

1143978185232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882699237 (or 882699222 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The spelling of 1143978185232 in words is "one trillion, one hundred forty-three billion, nine hundred seventy-eight million, one hundred eighty-five thousand, two hundred thirty-two".