1131011421032 has 8 divisors (see below), whose sum is σ = 2120646414450. Its totient is φ = 565505710512.

The previous prime is 1131011421031. The next prime is 1131011421091. The reversal of 1131011421032 is 2301241101311.

It can be written as a sum of positive squares in only one way, i.e., 973407184996 + 157604236036 = 986614^2 + 396994^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1131011420995 and 1131011421013.

It is not an unprimeable number, because it can be changed into a prime (1131011421031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70688213807 + ... + 70688213822.

Almost surely, 2^{1131011421032} is an apocalyptic number.

It is an amenable number.

1131011421032 is a deficient number, since it is larger than the sum of its proper divisors (989634993418).

1131011421032 is a wasteful number, since it uses less digits than its factorization.

1131011421032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141376427635 (or 141376427631 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1131011421032 its reverse (2301241101311), we get a palindrome (3432252522343).

The spelling of 1131011421032 in words is "one trillion, one hundred thirty-one billion, eleven million, four hundred twenty-one thousand, thirty-two".