80367001521 has 16 divisors (see below), whose sum is σ = 107731478400. Its totient is φ = 53290448640.

The previous prime is 80367001499. The next prime is 80367001567. The reversal of 80367001521 is 12510076308.

It is not a de Polignac number, because 80367001521 - 2²³ = 80358612913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80367009521) 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, 1841671 + ... + 1884803.

It is an arithmetic number, because the mean of its divisors is an integer number (6733217400).

Almost surely, 2^80367001521 is an apocalyptic number.

It is an amenable number.

80367001521 is a deficient number, since it is larger than the sum of its proper divisors (27364476879).

80367001521 is a wasteful number, since it uses less digits than its factorization.

80367001521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46456.

The product of its (nonzero) digits is 10080, while the sum is 33.

Adding to 80367001521 its reverse (12510076308), we get a palindrome (92877077829).

The spelling of 80367001521 in words is "eighty billion, three hundred sixty-seven million, one thousand, five hundred twenty-one".