2005501140451 has 2 divisors, whose sum is σ = 2005501140452. Its totient is φ = 2005501140450.

The previous prime is 2005501140443. The next prime is 2005501140463. The reversal of 2005501140451 is 1540411055002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2005501140451 - 2³ = 2005501140443 is a prime.

It is not a weakly prime, because it can be changed into another prime (2005501149451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1002750570225 + 1002750570226.

It is an arithmetic number, because the mean of its divisors is an integer number (1002750570226).

Almost surely, 2^{2005501140451} is an apocalyptic number.

2005501140451 is a deficient number, since it is larger than the sum of its proper divisors (1).

2005501140451 is an equidigital number, since it uses as much as digits as its factorization.

2005501140451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4000, while the sum is 28.

Adding to 2005501140451 its reverse (1540411055002), we get a palindrome (3545912195453).

The spelling of 2005501140451 in words is "two trillion, five billion, five hundred one million, one hundred forty thousand, four hundred fifty-one".