80381054215 has 32 divisors (see below), whose sum is σ = 120296125440. Its totient is φ = 50091955200.

The previous prime is 80381054213. The next prime is 80381054263. The reversal of 80381054215 is 51245018308.

It is not a de Polignac number, because 80381054215 - 2¹ = 80381054213 is a prime.

It is a super-2 number, since 2×80381054215² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80381054213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1262926 + ... + 1325044.

It is an arithmetic number, because the mean of its divisors is an integer number (3759253920).

Almost surely, 2^80381054215 is an apocalyptic number.

80381054215 is a deficient number, since it is larger than the sum of its proper divisors (39915071225).

80381054215 is a wasteful number, since it uses less digits than its factorization.

80381054215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65503.

The product of its (nonzero) digits is 38400, while the sum is 37.

It can be divided in two parts, 803 and 81054215, that added together give a palindrome (81055018).

The spelling of 80381054215 in words is "eighty billion, three hundred eighty-one million, fifty-four thousand, two hundred fifteen".