80148436557 has 16 divisors (see below), whose sum is σ = 125431788672. Its totient is φ = 44561292480.

The previous prime is 80148436553. The next prime is 80148436579. The reversal of 80148436557 is 75563484108.

It is not a de Polignac number, because 80148436557 - 2² = 80148436553 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80148436553) 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, 51574794 + ... + 51576347.

It is an arithmetic number, because the mean of its divisors is an integer number (7839486792).

Almost surely, 2^80148436557 is an apocalyptic number.

It is an amenable number.

80148436557 is a deficient number, since it is larger than the sum of its proper divisors (45283352115).

80148436557 is a wasteful number, since it uses less digits than its factorization.

80148436557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103151188.

The product of its (nonzero) digits is 3225600, while the sum is 51.

The spelling of 80148436557 in words is "eighty billion, one hundred forty-eight million, four hundred thirty-six thousand, five hundred fifty-seven".