80461251381 has 8 divisors (see below), whose sum is σ = 122607621184. Its totient is φ = 45977857920.

The previous prime is 80461251373. The next prime is 80461251383. The reversal of 80461251381 is 18315216408.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80461251381 - 2³ = 80461251373 is a prime.

It is a super-2 number, since 2×80461251381² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80461251383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1915744060 + ... + 1915744101.

It is an arithmetic number, because the mean of its divisors is an integer number (15325952648).

Almost surely, 2^80461251381 is an apocalyptic number.

It is an amenable number.

80461251381 is a deficient number, since it is larger than the sum of its proper divisors (42146369803).

80461251381 is a wasteful number, since it uses less digits than its factorization.

80461251381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3831488171.

The product of its (nonzero) digits is 46080, while the sum is 39.

Adding to 80461251381 its reverse (18315216408), we get a palindrome (98776467789).

The spelling of 80461251381 in words is "eighty billion, four hundred sixty-one million, two hundred fifty-one thousand, three hundred eighty-one".