22151332511 has 16 divisors (see below), whose sum is σ = 27624162048. Its totient is φ = 17256456000.

The previous prime is 22151332451. The next prime is 22151332559. The reversal of 22151332511 is 11523315122.

It is not a de Polignac number, because 22151332511 - 2⁶ = 22151332447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22151332561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 292811 + ... + 360611.

It is an arithmetic number, because the mean of its divisors is an integer number (1726510128).

Almost surely, 2^22151332511 is an apocalyptic number.

22151332511 is a deficient number, since it is larger than the sum of its proper divisors (5472829537).

22151332511 is a wasteful number, since it uses less digits than its factorization.

22151332511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72062.

The product of its digits is 1800, while the sum is 26.

Adding to 22151332511 its reverse (11523315122), we get a palindrome (33674647633).

The spelling of 22151332511 in words is "twenty-two billion, one hundred fifty-one million, three hundred thirty-two thousand, five hundred eleven".