80646125031 has 6 divisors (see below), whose sum is σ = 116488847280. Its totient is φ = 53764083348.

The previous prime is 80646125017. The next prime is 80646125051. The reversal of 80646125031 is 13052164608.

It is a happy number.

80646125031 is a `hidden beast` number, since 8 + 0 + 6 + 4 + 612 + 5 + 0 + 31 = 666.

It is not a de Polignac number, because 80646125031 - 2¹⁰ = 80646124007 is a prime.

It is a super-2 number, since 2×80646125031² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80646125051) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4480340271 + ... + 4480340288.

It is an arithmetic number, because the mean of its divisors is an integer number (19414807880).

Almost surely, 2^80646125031 is an apocalyptic number.

80646125031 is a deficient number, since it is larger than the sum of its proper divisors (35842722249).

80646125031 is a wasteful number, since it uses less digits than its factorization.

80646125031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8960680565 (or 8960680562 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

Adding to 80646125031 its reverse (13052164608), we get a palindrome (93698289639).

The spelling of 80646125031 in words is "eighty billion, six hundred forty-six million, one hundred twenty-five thousand, thirty-one".