211455232043 has 8 divisors (see below), whose sum is σ = 240707932416. Its totient is φ = 183874114600.

The previous prime is 211455231991. The next prime is 211455232063. The reversal of 211455232043 is 340232554112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 211455232043 - 2²⁰ = 211454183467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211455232063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417895463 + ... + 417895968.

It is an arithmetic number, because the mean of its divisors is an integer number (30088491552).

Almost surely, 2^211455232043 is an apocalyptic number.

211455232043 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

211455232043 is a deficient number, since it is larger than the sum of its proper divisors (29252700373).

211455232043 is a wasteful number, since it uses less digits than its factorization.

211455232043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835791465.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 211455232043 its reverse (340232554112), we get a palindrome (551687786155).

The spelling of 211455232043 in words is "two hundred eleven billion, four hundred fifty-five million, two hundred thirty-two thousand, forty-three".