808911812151 has 24 divisors (see below), whose sum is σ = 1170619251984. Its totient is φ = 538263596160.

The previous prime is 808911812131. The next prime is 808911812183. The reversal of 808911812151 is 151218119808.

It is not a de Polignac number, because 808911812151 - 2¹⁴ = 808911795767 is a prime.

It is a super-2 number, since 2×808911812151² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 808911812097 and 808911812106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808911812131) 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, 46275625 + ... + 46293101.

It is an arithmetic number, because the mean of its divisors is an integer number (48775802166).

Almost surely, 2^808911812151 is an apocalyptic number.

808911812151 is a deficient number, since it is larger than the sum of its proper divisors (361707439833).

808911812151 is a wasteful number, since it uses less digits than its factorization.

808911812151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26831 (or 26828 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 45.

The spelling of 808911812151 in words is "eight hundred eight billion, nine hundred eleven million, eight hundred twelve thousand, one hundred fifty-one".