32511423481 has 2 divisors, whose sum is σ = 32511423482. Its totient is φ = 32511423480.

The previous prime is 32511423463. The next prime is 32511423499. The reversal of 32511423481 is 18432411523.

It is a balanced prime because it is at equal distance from previous prime (32511423463) and next prime (32511423499).

It can be written as a sum of positive squares in only one way, i.e., 22295267856 + 10216155625 = 149316^2 + 101075^2 .

It is a cyclic number.

It is not a de Polignac number, because 32511423481 - 2⁵ = 32511423449 is a prime.

It is a super-2 number, since 2×32511423481² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (32511423281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16255711740 + 16255711741.

It is an arithmetic number, because the mean of its divisors is an integer number (16255711741).

Almost surely, 2^32511423481 is an apocalyptic number.

It is an amenable number.

32511423481 is a deficient number, since it is larger than the sum of its proper divisors (1).

32511423481 is an equidigital number, since it uses as much as digits as its factorization.

32511423481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 34.

The spelling of 32511423481 in words is "thirty-two billion, five hundred eleven million, four hundred twenty-three thousand, four hundred eighty-one".