1045661231132 has 12 divisors (see below), whose sum is σ = 2091322462320. Its totient is φ = 448140527616.

The previous prime is 1045661231089. The next prime is 1045661231257. The reversal of 1045661231132 is 2311321665401.

1045661231132 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1045661231092 and 1045661231101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18672521957 + ... + 18672522012.

It is an arithmetic number, because the mean of its divisors is an integer number (174276871860).

Almost surely, 2^{1045661231132} is an apocalyptic number.

It is an amenable number.

1045661231132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1045661231132 is a wasteful number, since it uses less digits than its factorization.

1045661231132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37345043980 (or 37345043978 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

Adding to 1045661231132 its reverse (2311321665401), we get a palindrome (3356982896533).

The spelling of 1045661231132 in words is "one trillion, forty-five billion, six hundred sixty-one million, two hundred thirty-one thousand, one hundred thirty-two".