6401201451011 has 4 divisors (see below), whose sum is σ = 6401352333552. Its totient is φ = 6401050568472.

The previous prime is 6401201450999. The next prime is 6401201451077. The reversal of 6401201451011 is 1101541021046.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6401201451011 - 2⁶ = 6401201450947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6401201451311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75377615 + ... + 75462488.

It is an arithmetic number, because the mean of its divisors is an integer number (1600338083388).

Almost surely, 2^{6401201451011} is an apocalyptic number.

6401201451011 is a deficient number, since it is larger than the sum of its proper divisors (150882541).

6401201451011 is a wasteful number, since it uses less digits than its factorization.

6401201451011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150882540.

The product of its (nonzero) digits is 960, while the sum is 26.

Adding to 6401201451011 its reverse (1101541021046), we get a palindrome (7502742472057).

The spelling of 6401201451011 in words is "six trillion, four hundred one billion, two hundred one million, four hundred fifty-one thousand, eleven".