275156112 has 160 divisors (see below), whose sum is σ = 895656960. Its totient is φ = 70709760.

The previous prime is 275156111. The next prime is 275156113. The reversal of 275156112 is 211651572.

It is an interprime number because it is at equal distance from previous prime (275156111) and next prime (275156113).

It is a self number, because there is not a number n which added to its sum of digits gives 275156112.

It is not an unprimeable number, because it can be changed into a prime (275156111) 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, 402523 + ... + 403205.

It is an arithmetic number, because the mean of its divisors is an integer number (5597856).

Almost surely, 2^275156112 is an apocalyptic number.

275156112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 275156112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (447828480).

275156112 is an abundant number, since it is smaller than the sum of its proper divisors (620500848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

275156112 is a wasteful number, since it uses less digits than its factorization.

275156112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821 (or 815 counting only the distinct ones).

The product of its digits is 4200, while the sum is 30.

The square root of 275156112 is about 16587.8302378581. The cubic root of 275156112 is about 650.4187534402.

The spelling of 275156112 in words is "two hundred seventy-five million, one hundred fifty-six thousand, one hundred twelve".