32145513221111 has 4 divisors (see below), whose sum is σ = 32246918625912. Its totient is φ = 32044107816312.

The previous prime is 32145513221077. The next prime is 32145513221161. The reversal of 32145513221111 is 11112231554123.

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 32145513221111 - 2³⁴ = 32128333351927 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 (32145513221161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50702701925 + ... + 50702702558.

It is an arithmetic number, because the mean of its divisors is an integer number (8061729656478).

Almost surely, 2^{32145513221111} is an apocalyptic number.

32145513221111 is a deficient number, since it is larger than the sum of its proper divisors (101405404801).

32145513221111 is a wasteful number, since it uses less digits than its factorization.

32145513221111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101405404800.

The product of its digits is 7200, while the sum is 32.

Adding to 32145513221111 its reverse (11112231554123), we get a palindrome (43257744775234).

The spelling of 32145513221111 in words is "thirty-two trillion, one hundred forty-five billion, five hundred thirteen million, two hundred twenty-one thousand, one hundred eleven".