1141828275978 has 48 divisors (see below), whose sum is σ = 2664643592520. Its totient is φ = 351281981952.

The previous prime is 1141828275971. The next prime is 1141828276003. The reversal of 1141828275978 is 8795728281411.

1141828275978 is a `hidden beast` number, since 1 + 1 + 4 + 18 + 2 + 8 + 27 + 597 + 8 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 566516644929 + 575311631049 = 752673^2 + 758493^2 .

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1141828275971) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1325950 + ... + 2010422.

Almost surely, 2^{1141828275978} is an apocalyptic number.

1141828275978 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1141828275978 is an abundant number, since it is smaller than the sum of its proper divisors (1522815316542).

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

1141828275978 is a wasteful number, since it uses less digits than its factorization.

1141828275978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691623 (or 691620 counting only the distinct ones).

The product of its digits is 18063360, while the sum is 63.

The spelling of 1141828275978 in words is "one trillion, one hundred forty-one billion, eight hundred twenty-eight million, two hundred seventy-five thousand, nine hundred seventy-eight".