11829865561900 has 18 divisors (see below), whose sum is σ = 25670808269540. Its totient is φ = 4731946224720.

The previous prime is 11829865561861. The next prime is 11829865561961. The reversal of 11829865561900 is 916556892811.

It is a super-2 number, since 2×11829865561900² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59149327710 + ... + 59149327909.

Almost surely, 2^{11829865561900} is an apocalyptic number.

11829865561900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11829865561900 is an abundant number, since it is smaller than the sum of its proper divisors (13840942707640).

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

11829865561900 is a wasteful number, since it uses less digits than its factorization.

11829865561900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118298655633 (or 118298655626 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 61.

The spelling of 11829865561900 in words is "eleven trillion, eight hundred twenty-nine billion, eight hundred sixty-five million, five hundred sixty-one thousand, nine hundred".