1161117804 has 48 divisors (see below), whose sum is σ = 3377799936. Its totient is φ = 301588800.

The previous prime is 1161117791. The next prime is 1161117823. The reversal of 1161117804 is 4087111611.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 627387 + ... + 629234.

It is an arithmetic number, because the mean of its divisors is an integer number (70370832).

Almost surely, 2^1161117804 is an apocalyptic number.

1161117804 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1161117804 is an abundant number, since it is smaller than the sum of its proper divisors (2216682132).

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

1161117804 is a wasteful number, since it uses less digits than its factorization.

1161117804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256646 (or 1256644 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 30.

The square root of 1161117804 is about 34075.1787082621. The cubic root of 1161117804 is about 1051.0549650882.

The spelling of 1161117804 in words is "one billion, one hundred sixty-one million, one hundred seventeen thousand, eight hundred four".