32780943259551 has 16 divisors (see below), whose sum is σ = 49387485139200. Its totient is φ = 21483556033464.

The previous prime is 32780943259487. The next prime is 32780943259601. The reversal of 32780943259551 is 15595234908723.

32780943259551 is a `hidden beast` number, since 3 + 2 + 7 + 8 + 0 + 9 + 4 + 32 + 595 + 5 + 1 = 666.

It is not a de Polignac number, because 32780943259551 - 2⁶ = 32780943259487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32780943259951) 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, 10289057811 + ... + 10289060996.

It is an arithmetic number, because the mean of its divisors is an integer number (3086717821200).

Almost surely, 2^{32780943259551} is an apocalyptic number.

32780943259551 is a deficient number, since it is larger than the sum of its proper divisors (16606541879649).

32780943259551 is a wasteful number, since it uses less digits than its factorization.

32780943259551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20578118875 (or 20578118869 counting only the distinct ones).

The product of its (nonzero) digits is 81648000, while the sum is 63.

The spelling of 32780943259551 in words is "thirty-two trillion, seven hundred eighty billion, nine hundred forty-three million, two hundred fifty-nine thousand, five hundred fifty-one".