80808281136 has 120 divisors (see below), whose sum is σ = 252447788736. Its totient is φ = 23917864320.

The previous prime is 80808281131. The next prime is 80808281201. The reversal of 80808281136 is 63118280808.

It is a junction number, because it is equal to n+sod(n) for n = 80808281091 and 80808281100.

It is not an unprimeable number, because it can be changed into a prime (80808281131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 525090 + ... + 661313.

Almost surely, 2^80808281136 is an apocalyptic number.

80808281136 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

80808281136 is an abundant number, since it is smaller than the sum of its proper divisors (171639507600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80808281136 is a wasteful number, since it uses less digits than its factorization.

80808281136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186471 (or 1186462 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 45.

The spelling of 80808281136 in words is "eighty billion, eight hundred eight million, two hundred eighty-one thousand, one hundred thirty-six".