1123777462081 has 6 divisors (see below), whose sum is σ = 1193770522310. Its totient is φ = 1057672905216.

The previous prime is 1123777462007. The next prime is 1123777462127. The reversal of 1123777462081 is 1802647773211.

It can be written as a sum of positive squares in 3 ways, for example, as 199072130625 + 924705331456 = 446175^2 + 961616^2 .

It is not a de Polignac number, because 1123777462081 - 2¹⁷ = 1123777331009 is a prime.

It is a super-2 number, since 2×1123777462081² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1123777412081) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1944251376 + ... + 1944251953.

Almost surely, 2^{1123777462081} is an apocalyptic number.

It is an amenable number.

1123777462081 is a deficient number, since it is larger than the sum of its proper divisors (69993060229).

1123777462081 is an equidigital number, since it uses as much as digits as its factorization.

1123777462081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3888503363 (or 3888503346 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 49.

The spelling of 1123777462081 in words is "one trillion, one hundred twenty-three billion, seven hundred seventy-seven million, four hundred sixty-two thousand, eighty-one".