980232305551 has 4 divisors (see below), whose sum is σ = 980303191504. Its totient is φ = 980161419600.

The previous prime is 980232305537. The next prime is 980232305699. The reversal of 980232305551 is 155503232089.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 980232305551 - 2¹¹ = 980232303503 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 980232305498 and 980232305507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (980232308551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35422230 + ... + 35449891.

It is an arithmetic number, because the mean of its divisors is an integer number (245075797876).

Almost surely, 2^980232305551 is an apocalyptic number.

980232305551 is a deficient number, since it is larger than the sum of its proper divisors (70885953).

980232305551 is a wasteful number, since it uses less digits than its factorization.

980232305551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70885952.

The product of its (nonzero) digits is 324000, while the sum is 43.

The spelling of 980232305551 in words is "nine hundred eighty billion, two hundred thirty-two million, three hundred five thousand, five hundred fifty-one".