211131133040 has 40 divisors (see below), whose sum is σ = 512222492448. Its totient is φ = 80780606720.

The previous prime is 211131133027. The next prime is 211131133067. The reversal of 211131133040 is 40331131112.

211131133040 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57370751 + ... + 57374430.

Almost surely, 2^211131133040 is an apocalyptic number.

211131133040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211131133040 is an abundant number, since it is smaller than the sum of its proper divisors (301091359408).

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

211131133040 is a wasteful number, since it uses less digits than its factorization.

211131133040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114745217 (or 114745211 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 211131133040 its reverse (40331131112), we get a palindrome (251462264152).

The spelling of 211131133040 in words is "two hundred eleven billion, one hundred thirty-one million, one hundred thirty-three thousand, forty".