2051041433451 has 16 divisors (see below), whose sum is σ = 2879955613440. Its totient is φ = 1294809153120.

The previous prime is 2051041433381. The next prime is 2051041433453. The reversal of 2051041433451 is 1543341401502.

It is not a de Polignac number, because 2051041433451 - 2²³ = 2051033044843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2051041433453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8003815 + ... + 8256096.

It is an arithmetic number, because the mean of its divisors is an integer number (179997225840).

Almost surely, 2^{2051041433451} is an apocalyptic number.

2051041433451 is a deficient number, since it is larger than the sum of its proper divisors (828914179989).

2051041433451 is a wasteful number, since it uses less digits than its factorization.

2051041433451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16262146.

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 2051041433451 its reverse (1543341401502), we get a palindrome (3594382834953).

The spelling of 2051041433451 in words is "two trillion, fifty-one billion, forty-one million, four hundred thirty-three thousand, four hundred fifty-one".