80555050531 has 2 divisors, whose sum is σ = 80555050532. Its totient is φ = 80555050530.

The previous prime is 80555050517. The next prime is 80555050561. The reversal of 80555050531 is 13505055508.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80555050531 - 2¹³ = 80555042339 is a prime.

It is a super-2 number, since 2×80555050531² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (80555050561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40277525265 + 40277525266.

It is an arithmetic number, because the mean of its divisors is an integer number (40277525266).

Almost surely, 2^80555050531 is an apocalyptic number.

80555050531 is a deficient number, since it is larger than the sum of its proper divisors (1).

80555050531 is an equidigital number, since it uses as much as digits as its factorization.

80555050531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75000, while the sum is 37.

The spelling of 80555050531 in words is "eighty billion, five hundred fifty-five million, fifty thousand, five hundred thirty-one".