1150181881012 has 6 divisors (see below), whose sum is σ = 2012818291778. Its totient is φ = 575090940504.

The previous prime is 1150181881007. The next prime is 1150181881091. The reversal of 1150181881012 is 2101881810511.

It can be written as a sum of positive squares in only one way, i.e., 1102008654756 + 48173226256 = 1049766^2 + 219484^2 .

It is a super-2 number, since 2×1150181881012² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143772735123 + ... + 143772735130.

Almost surely, 2^{1150181881012} is an apocalyptic number.

It is an amenable number.

1150181881012 is a deficient number, since it is larger than the sum of its proper divisors (862636410766).

1150181881012 is a wasteful number, since it uses less digits than its factorization.

1150181881012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287545470257 (or 287545470255 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 37.

The spelling of 1150181881012 in words is "one trillion, one hundred fifty billion, one hundred eighty-one million, eight hundred eighty-one thousand, twelve".