2051101031005 has 32 divisors (see below), whose sum is σ = 2663607542400. Its totient is φ = 1507267872000.

The previous prime is 2051101031003. The next prime is 2051101031039. The reversal of 2051101031005 is 5001301011502.

It is not a de Polignac number, because 2051101031005 - 2¹ = 2051101031003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051101031003) 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, 18265771 + ... + 18377719.

It is an arithmetic number, because the mean of its divisors is an integer number (83237735700).

Almost surely, 2^{2051101031005} is an apocalyptic number.

It is an amenable number.

2051101031005 is a deficient number, since it is larger than the sum of its proper divisors (612506511395).

2051101031005 is a wasteful number, since it uses less digits than its factorization.

2051101031005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113341.

The product of its (nonzero) digits is 150, while the sum is 19.

Adding to 2051101031005 its reverse (5001301011502), we get a palindrome (7052402042507).

The spelling of 2051101031005 in words is "two trillion, fifty-one billion, one hundred one million, thirty-one thousand, five".