1401303155401 has 16 divisors (see below), whose sum is σ = 1449471744000. Its totient is φ = 1354115326608.

The previous prime is 1401303155393. The next prime is 1401303155411. The reversal of 1401303155401 is 1045513031041.

It is a cyclic number.

It is not a de Polignac number, because 1401303155401 - 2³ = 1401303155393 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1401303155401.

It is not an unprimeable number, because it can be changed into a prime (1401303155411) 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, 255520 + ... + 1693486.

It is an arithmetic number, because the mean of its divisors is an integer number (90591984000).

Almost surely, 2^{1401303155401} is an apocalyptic number.

It is an amenable number.

1401303155401 is a deficient number, since it is larger than the sum of its proper divisors (48168588599).

1401303155401 is a wasteful number, since it uses less digits than its factorization.

1401303155401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438308.

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 1401303155401 its reverse (1045513031041), we get a palindrome (2446816186442).

The spelling of 1401303155401 in words is "one trillion, four hundred one billion, three hundred three million, one hundred fifty-five thousand, four hundred one".