1161364900 has 18 divisors (see below), whose sum is σ = 2520162050. Its totient is φ = 464545920.

The previous prime is 1161364891. The next prime is 1161364901. The reversal of 1161364900 is 94631611.

It can be written as a sum of positive squares in 3 ways, for example, as 134931456 + 1026433444 = 11616^2 + 32038^2 .

It is not an unprimeable number, because it can be changed into a prime (1161364901) 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, 5806725 + ... + 5806924.

Almost surely, 2^1161364900 is an apocalyptic number.

1161364900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1161364900 is an abundant number, since it is smaller than the sum of its proper divisors (1358797150).

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

1161364900 is a wasteful number, since it uses less digits than its factorization.

1161364900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11613663 (or 11613656 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 1161364900 is about 34078.8042630606. The cubic root of 1161364900 is about 1051.1295176891.

The spelling of 1161364900 in words is "one billion, one hundred sixty-one million, three hundred sixty-four thousand, nine hundred".