80887911551 has 2 divisors, whose sum is σ = 80887911552. Its totient is φ = 80887911550.

The previous prime is 80887911523. The next prime is 80887911563. The reversal of 80887911551 is 15511978808.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80887911551 - 2¹⁴ = 80887895167 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80887911493 and 80887911502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80887911521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40443955775 + 40443955776.

It is an arithmetic number, because the mean of its divisors is an integer number (40443955776).

Almost surely, 2^80887911551 is an apocalyptic number.

80887911551 is a deficient number, since it is larger than the sum of its proper divisors (1).

80887911551 is an equidigital number, since it uses as much as digits as its factorization.

80887911551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 806400, while the sum is 53.

The spelling of 80887911551 in words is "eighty billion, eight hundred eighty-seven million, nine hundred eleven thousand, five hundred fifty-one".