1163142504 has 40 divisors (see below), whose sum is σ = 3257877810. Its totient is φ = 387713952.

The previous prime is 1163142479. The next prime is 1163142509. The reversal of 1163142504 is 4052413611.

It is a happy number.

1163142504 is a `hidden beast` number, since 1 + 1 + 631 + 4 + 25 + 0 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1009332900 + 153809604 = 31770^2 + 12402^2 .

It is a super-2 number, since 2×1163142504² = 2705800969222780032, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1163142509) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 896839 + ... + 898134.

Almost surely, 2^1163142504 is an apocalyptic number.

It is an amenable number.

1163142504 is an abundant number, since it is smaller than the sum of its proper divisors (2094735306).

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

1163142504 is a wasteful number, since it uses less digits than its factorization.

1163142504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1794991 (or 1794978 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1163142504 is about 34104.8750767394. The cubic root of 1163142504 is about 1051.6655362796.

The spelling of 1163142504 in words is "one billion, one hundred sixty-three million, one hundred forty-two thousand, five hundred four".