2015105211 has 96 divisors (see below), whose sum is σ = 3630781440. Its totient is φ = 1051252992.

The previous prime is 2015105111. The next prime is 2015105231. The reversal of 2015105211 is 1125015102.

It is not a de Polignac number, because 2015105211 - 2⁷ = 2015105083 is a prime.

It is a super-2 number, since 2×2015105211² = 8121298022798709042, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2015105231) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7661866 + ... + 7662128.

It is an arithmetic number, because the mean of its divisors is an integer number (37820640).

Almost surely, 2^2015105211 is an apocalyptic number.

2015105211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2015105211 is a deficient number, since it is larger than the sum of its proper divisors (1615676229).

2015105211 is a wasteful number, since it uses less digits than its factorization.

2015105211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505 (or 502 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The square root of 2015105211 is about 44889.9232679228. The cubic root of 2015105211 is about 1263.0849934245.

The spelling of 2015105211 in words is "two billion, fifteen million, one hundred five thousand, two hundred eleven".