1133111031012 has 36 divisors (see below), whose sum is σ = 2864286890556. Its totient is φ = 377699192640.

The previous prime is 1133111030963. The next prime is 1133111031029. The reversal of 1133111031012 is 2101301113311.

1133111031012 is a `hidden beast` number, since 1 + 1 + 331 + 1 + 10 + 310 + 12 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 435592080036 + 697518950976 = 659994^2 + 835176^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4493218 + ... + 4738694.

Almost surely, 2^{1133111031012} is an apocalyptic number.

1133111031012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1133111031012 is an abundant number, since it is smaller than the sum of its proper divisors (1731175859544).

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

1133111031012 is a wasteful number, since it uses less digits than its factorization.

1133111031012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373708 (or 373703 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 1133111031012 its reverse (2101301113311), we get a palindrome (3234412144323).

The spelling of 1133111031012 in words is "one trillion, one hundred thirty-three billion, one hundred eleven million, thirty-one thousand, twelve".