1163005625 has 20 divisors (see below), whose sum is σ = 1460345040. Its totient is φ = 925890000.

The previous prime is 1163005621. The next prime is 1163005639. The reversal of 1163005625 is 5265003611.

It is not a de Polignac number, because 1163005625 - 2² = 1163005621 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1163005621) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 127466 + ... + 136284.

It is an arithmetic number, because the mean of its divisors is an integer number (73017252).

Almost surely, 2^1163005625 is an apocalyptic number.

It is an amenable number.

1163005625 is a deficient number, since it is larger than the sum of its proper divisors (297339415).

1163005625 is an frugal number, since it uses more digits than its factorization.

1163005625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9050 (or 9035 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 1163005625 is about 34102.8682811285. The cubic root of 1163005625 is about 1051.6242812103.

The spelling of 1163005625 in words is "one billion, one hundred sixty-three million, five thousand, six hundred twenty-five".