1146980271985 has 8 divisors (see below), whose sum is σ = 1409946480936. Its totient is φ = 895204114560.

The previous prime is 1146980271973. The next prime is 1146980271989. The reversal of 1146980271985 is 5891720896411.

It can be written as a sum of positive squares in 4 ways, for example, as 36736622224 + 1110243649761 = 191668^2 + 1053681^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1146980271985 - 2⁵ = 1146980271953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1146980271989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2797512654 + ... + 2797513063.

It is an arithmetic number, because the mean of its divisors is an integer number (176243310117).

Almost surely, 2^{1146980271985} is an apocalyptic number.

It is an amenable number.

1146980271985 is a deficient number, since it is larger than the sum of its proper divisors (262966208951).

1146980271985 is an equidigital number, since it uses as much as digits as its factorization.

1146980271985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5595025763.

The product of its (nonzero) digits is 8709120, while the sum is 61.

The spelling of 1146980271985 in words is "one trillion, one hundred forty-six billion, nine hundred eighty million, two hundred seventy-one thousand, nine hundred eighty-five".