2043631261100 has 144 divisors (see below), whose sum is σ = 5211263291136. Its totient is φ = 685804320000.

The previous prime is 2043631261079. The next prime is 2043631261127. The reversal of 2043631261100 is 11621363402.

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, 66493937 + ... + 66524663.

Almost surely, 2^{2043631261100} is an apocalyptic number.

2043631261100 is a gapful number since it is divisible by the number (20) 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 2043631261100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2605631645568).

2043631261100 is an abundant number, since it is smaller than the sum of its proper divisors (3167632030036).

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

2043631261100 is a wasteful number, since it uses less digits than its factorization.

2043631261100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35416 (or 35409 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 2043631261100 in words is "two trillion, forty-three billion, six hundred thirty-one million, two hundred sixty-one thousand, one hundred".