2011510012170 has 32 divisors (see below), whose sum is σ = 4906765411200. Its totient is φ = 527609183040.

The previous prime is 2011510012163. The next prime is 2011510012181. The reversal of 2011510012170 is 712100151102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 549591070 + ... + 549594729.

It is an arithmetic number, because the mean of its divisors is an integer number (153336419100).

Almost surely, 2^{2011510012170} is an apocalyptic number.

2011510012170 is an abundant number, since it is smaller than the sum of its proper divisors (2895255399030).

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

2011510012170 is a wasteful number, since it uses less digits than its factorization.

2011510012170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099185870.

The product of its (nonzero) digits is 140, while the sum is 21.

Adding to 2011510012170 its reverse (712100151102), we get a palindrome (2723610163272).

The spelling of 2011510012170 in words is "two trillion, eleven billion, five hundred ten million, twelve thousand, one hundred seventy".