1161341900 has 36 divisors (see below), whose sum is σ = 2530978632. Its totient is φ = 462533760.

The previous prime is 1161341879. The next prime is 1161341947. The reversal of 1161341900 is 91431611.

It is a super-2 number, since 2×1161341900² = 2697430017391220000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1161341900.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1622 + ... + 48221.

It is an arithmetic number, because the mean of its divisors is an integer number (70304962).

Almost surely, 2^1161341900 is an apocalyptic number.

1161341900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1161341900 is an abundant number, since it is smaller than the sum of its proper divisors (1369636732).

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

1161341900 is a wasteful number, since it uses less digits than its factorization.

1161341900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50090 (or 50083 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 1161341900 is about 34078.4668082354. The cubic root of 1161341900 is about 1051.1225786876.

The spelling of 1161341900 in words is "one billion, one hundred sixty-one million, three hundred forty-one thousand, nine hundred".