80051215 has 16 divisors (see below), whose sum is σ = 103386240. Its totient is φ = 59281920.

The previous prime is 80051203. The next prime is 80051219. The reversal of 80051215 is 51215008.

It is not a de Polignac number, because 80051215 - 2¹⁵ = 80018447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80051219) 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, 2535 + ... + 12904.

It is an arithmetic number, because the mean of its divisors is an integer number (6461640).

Almost surely, 2^80051215 is an apocalyptic number.

80051215 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

80051215 is a deficient number, since it is larger than the sum of its proper divisors (23335025).

80051215 is a wasteful number, since it uses less digits than its factorization.

80051215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15522.

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 80051215 is about 8947.1344574674. The cubic root of 80051215 is about 430.9788678689.

The spelling of 80051215 in words is "eighty million, fifty-one thousand, two hundred fifteen".