211335451151 has 4 divisors (see below), whose sum is σ = 230547764904. Its totient is φ = 192123137400.

The previous prime is 211335451001. The next prime is 211335451163. The reversal of 211335451151 is 151154533112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 211335451151 - 2²⁶ = 211268342287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211335459151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9606156860 + ... + 9606156881.

It is an arithmetic number, because the mean of its divisors is an integer number (57636941226).

Almost surely, 2^211335451151 is an apocalyptic number.

211335451151 is a deficient number, since it is larger than the sum of its proper divisors (19212313753).

211335451151 is a wasteful number, since it uses less digits than its factorization.

211335451151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19212313752.

The product of its digits is 9000, while the sum is 32.

Adding to 211335451151 its reverse (151154533112), we get a palindrome (362489984263).

The spelling of 211335451151 in words is "two hundred eleven billion, three hundred thirty-five million, four hundred fifty-one thousand, one hundred fifty-one".