80099521551 has 12 divisors (see below), whose sum is σ = 132227781712. Its totient is φ = 45771155136.

The previous prime is 80099521517. The next prime is 80099521577. The reversal of 80099521551 is 15512599008.

80099521551 is a `hidden beast` number, since 8 + 0 + 0 + 9 + 95 + 2 + 1 + 551 = 666.

It is not a de Polignac number, because 80099521551 - 2⁷ = 80099521423 is a prime.

It is a super-2 number, since 2×80099521551² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80099521497 and 80099521506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80099521501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 635710426 + ... + 635710551.

Almost surely, 2^80099521551 is an apocalyptic number.

80099521551 is a deficient number, since it is larger than the sum of its proper divisors (52128260161).

80099521551 is a wasteful number, since it uses less digits than its factorization.

80099521551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271420990 (or 1271420987 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 45.

The spelling of 80099521551 in words is "eighty billion, ninety-nine million, five hundred twenty-one thousand, five hundred fifty-one".