32506645511 has 2 divisors, whose sum is σ = 32506645512. Its totient is φ = 32506645510.

The previous prime is 32506645439. The next prime is 32506645517. The reversal of 32506645511 is 11554660523.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 32506645511 - 2³⁰ = 31432903687 is a prime.

It is a super-2 number, since 2×32506645511² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32506645517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16253322755 + 16253322756.

It is an arithmetic number, because the mean of its divisors is an integer number (16253322756).

Almost surely, 2^32506645511 is an apocalyptic number.

32506645511 is a deficient number, since it is larger than the sum of its proper divisors (1).

32506645511 is an equidigital number, since it uses as much as digits as its factorization.

32506645511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 32506645511 in words is "thirty-two billion, five hundred six million, six hundred forty-five thousand, five hundred eleven".