72112181190 has 64 divisors (see below), whose sum is σ = 203139201024. Its totient is φ = 16037301888.

The previous prime is 72112181179. The next prime is 72112181201. The reversal of 72112181190 is 9118121127.

It is an interprime number because it is at equal distance from previous prime (72112181179) and next prime (72112181201).

It is a super-2 number, since 2×72112181190² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4632654 + ... + 4648193.

It is an arithmetic number, because the mean of its divisors is an integer number (3174050016).

Almost surely, 2^72112181190 is an apocalyptic number.

72112181190 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

72112181190 is an abundant number, since it is smaller than the sum of its proper divisors (131027019834).

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

72112181190 is a wasteful number, since it uses less digits than its factorization.

72112181190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9280901.

The product of its (nonzero) digits is 2016, while the sum is 33.

The spelling of 72112181190 in words is "seventy-two billion, one hundred twelve million, one hundred eighty-one thousand, one hundred ninety".