1141171636 has 12 divisors (see below), whose sum is σ = 2178600480. Its totient is φ = 518714360.

The previous prime is 1141171627. The next prime is 1141171643. The reversal of 1141171636 is 6361711411.

It is a junction number, because it is equal to n+sod(n) for n = 1141171598 and 1141171607.

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, 12967816 + ... + 12967903.

It is an arithmetic number, because the mean of its divisors is an integer number (181550040).

Almost surely, 2^1141171636 is an apocalyptic number.

It is an amenable number.

1141171636 is a deficient number, since it is larger than the sum of its proper divisors (1037428844).

1141171636 is a wasteful number, since it uses less digits than its factorization.

1141171636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25935734 (or 25935732 counting only the distinct ones).

The product of its digits is 3024, while the sum is 31.

The square root of 1141171636 is about 33781.2320083208. The cubic root of 1141171636 is about 1045.0016821932.

The spelling of 1141171636 in words is "one billion, one hundred forty-one million, one hundred seventy-one thousand, six hundred thirty-six".