1401061065451 has 4 divisors (see below), whose sum is σ = 1410464160000. Its totient is φ = 1391657970904.

The previous prime is 1401061065377. The next prime is 1401061065497. The reversal of 1401061065451 is 1545601601041.

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 1401061065451 - 2¹¹ = 1401061063403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1401061062451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4701547051 + ... + 4701547348.

It is an arithmetic number, because the mean of its divisors is an integer number (352616040000).

Almost surely, 2^{1401061065451} is an apocalyptic number.

1401061065451 is a deficient number, since it is larger than the sum of its proper divisors (9403094549).

1401061065451 is an equidigital number, since it uses as much as digits as its factorization.

1401061065451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9403094548.

The product of its (nonzero) digits is 14400, while the sum is 34.

Adding to 1401061065451 its reverse (1545601601041), we get a palindrome (2946662666492).

The spelling of 1401061065451 in words is "one trillion, four hundred one billion, sixty-one million, sixty-five thousand, four hundred fifty-one".