1181683623100 has 144 divisors (see below), whose sum is σ = 2716106158080. Its totient is φ = 445000953600.

The previous prime is 1181683623083. The next prime is 1181683623149. The reversal of 1181683623100 is 13263861811.

It is a happy number.

It is a super-2 number, since 2×1181683623100² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 276673965 + ... + 276678235.

It is an arithmetic number, because the mean of its divisors is an integer number (18861848320).

Almost surely, 2^{1181683623100} is an apocalyptic number.

1181683623100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1181683623100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1358053079040).

1181683623100 is an abundant number, since it is smaller than the sum of its proper divisors (1534422534980).

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

1181683623100 is a wasteful number, since it uses less digits than its factorization.

1181683623100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5180 (or 5173 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The spelling of 1181683623100 in words is "one trillion, one hundred eighty-one billion, six hundred eighty-three million, six hundred twenty-three thousand, one hundred".