80261519751 has 36 divisors (see below), whose sum is σ = 134946823752. Its totient is φ = 45834604704.

The previous prime is 80261519749. The next prime is 80261519797. The reversal of 80261519751 is 15791516208.

80261519751 is a `hidden beast` number, since 8 + 0 + 2 + 61 + 519 + 75 + 1 = 666.

It is not a de Polignac number, because 80261519751 - 2¹ = 80261519749 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80261519697 and 80261519706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80261519851) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 647296 + ... + 761258.

It is an arithmetic number, because the mean of its divisors is an integer number (3748522882).

Almost surely, 2^80261519751 is an apocalyptic number.

80261519751 is a deficient number, since it is larger than the sum of its proper divisors (54685304001).

80261519751 is a wasteful number, since it uses less digits than its factorization.

80261519751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115580 (or 115570 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 45.

The spelling of 80261519751 in words is "eighty billion, two hundred sixty-one million, five hundred nineteen thousand, seven hundred fifty-one".