32145513221077 has 2 divisors, whose sum is σ = 32145513221078. Its totient is φ = 32145513221076.

The previous prime is 32145513220969. The next prime is 32145513221161. The reversal of 32145513221077 is 77012231554123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29876871768676 + 2268641452401 = 5465974^2 + 1506201^2 .

It is a cyclic number.

It is not a de Polignac number, because 32145513221077 - 2⁷ = 32145513220949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32145513227077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16072756610538 + 16072756610539.

It is an arithmetic number, because the mean of its divisors is an integer number (16072756610539).

Almost surely, 2^{32145513221077} is an apocalyptic number.

It is an amenable number.

32145513221077 is a deficient number, since it is larger than the sum of its proper divisors (1).

32145513221077 is an equidigital number, since it uses as much as digits as its factorization.

32145513221077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 352800, while the sum is 43.

The spelling of 32145513221077 in words is "thirty-two trillion, one hundred forty-five billion, five hundred thirteen million, two hundred twenty-one thousand, seventy-seven".