1163451146031 has 6 divisors (see below), whose sum is σ = 1680540544280. Its totient is φ = 775634097348.

The previous prime is 1163451146023. The next prime is 1163451146047. The reversal of 1163451146031 is 1306411543611.

1163451146031 is a `hidden beast` number, since 1 + 1 + 6 + 3 + 45 + 1 + 1 + 4 + 603 + 1 = 666.

It is not a de Polignac number, because 1163451146031 - 2³ = 1163451146023 is a prime.

It is a super-2 number, since 2×1163451146031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163451146731) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64636174771 + ... + 64636174788.

Almost surely, 2^{1163451146031} is an apocalyptic number.

1163451146031 is a deficient number, since it is larger than the sum of its proper divisors (517089398249).

1163451146031 is a wasteful number, since it uses less digits than its factorization.

1163451146031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129272349565 (or 129272349562 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

Adding to 1163451146031 its reverse (1306411543611), we get a palindrome (2469862689642).

The spelling of 1163451146031 in words is "one trillion, one hundred sixty-three billion, four hundred fifty-one million, one hundred forty-six thousand, thirty-one".