2001451316126 has 16 divisors (see below), whose sum is σ = 3172776687360. Its totient is φ = 944278767000.

The previous prime is 2001451316099. The next prime is 2001451316177. The reversal of 2001451316126 is 6216131541002.

It is a junction number, because it is equal to n+sod(n) for n = 2001451316092 and 2001451316101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104910326 + ... + 104929401.

It is an arithmetic number, because the mean of its divisors is an integer number (198298542960).

Almost surely, 2^{2001451316126} is an apocalyptic number.

2001451316126 is a deficient number, since it is larger than the sum of its proper divisors (1171325371234).

2001451316126 is a wasteful number, since it uses less digits than its factorization.

2001451316126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209839999.

The product of its (nonzero) digits is 8640, while the sum is 32.

Adding to 2001451316126 its reverse (6216131541002), we get a palindrome (8217582857128).

The spelling of 2001451316126 in words is "two trillion, one billion, four hundred fifty-one million, three hundred sixteen thousand, one hundred twenty-six".