80453511 has 24 divisors (see below), whose sum is σ = 120900000. Its totient is φ = 51492672.

The previous prime is 80453509. The next prime is 80453531. The reversal of 80453511 is 11535408.

It is not a de Polignac number, because 80453511 - 2¹ = 80453509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80453501) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51165 + ... + 52713.

It is an arithmetic number, because the mean of its divisors is an integer number (5037500).

Almost surely, 2^80453511 is an apocalyptic number.

80453511 is a deficient number, since it is larger than the sum of its proper divisors (40446489).

80453511 is a wasteful number, since it uses less digits than its factorization.

80453511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1783 (or 1780 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 80453511 is about 8969.5881176339. The cubic root of 80453511 is about 431.6996207920.

Adding to 80453511 its reverse (11535408), we get a palindrome (91988919).

It can be divided in two parts, 804535 and 11, that added together give a triangular number (804546 = T₁₂₆₈).

The spelling of 80453511 in words is "eighty million, four hundred fifty-three thousand, five hundred eleven".