215110011512 has 32 divisors (see below), whose sum is σ = 446194915200. Its totient is φ = 96400130400.

The previous prime is 215110011511. The next prime is 215110011517.

215110011512 is nontrivially palindromic in base 10.

215110011512 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×215110011512² (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 (215110011511) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 17208062 + ... + 17220557.

It is an arithmetic number, because the mean of its divisors is an integer number (13943591100).

Almost surely, 2^215110011512 is an apocalyptic number.

215110011512 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

215110011512 is an abundant number, since it is smaller than the sum of its proper divisors (231084903688).

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

215110011512 is a wasteful number, since it uses less digits than its factorization.

215110011512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34428707 (or 34428703 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 20.

It can be divided in two parts, 2151100 and 11512, that added together give a palindrome (2162612).

The spelling of 215110011512 in words is "two hundred fifteen billion, one hundred ten million, eleven thousand, five hundred twelve".