1401126545543 has 8 divisors (see below), whose sum is σ = 1525727636400. Its totient is φ = 1281611213568.

The previous prime is 1401126545473. The next prime is 1401126545549. The reversal of 1401126545543 is 3455456211041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1401126545543 - 2¹² = 1401126541447 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 1401126545543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401126545549) 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 7 ways as a sum of consecutive naturals, for example, 1271439146 + ... + 1271440247.

It is an arithmetic number, because the mean of its divisors is an integer number (190715954550).

Almost surely, 2^{1401126545543} is an apocalyptic number.

1401126545543 is a deficient number, since it is larger than the sum of its proper divisors (124601090857).

1401126545543 is a wasteful number, since it uses less digits than its factorization.

1401126545543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2542879441.

The product of its (nonzero) digits is 288000, while the sum is 41.

The spelling of 1401126545543 in words is "one trillion, four hundred one billion, one hundred twenty-six million, five hundred forty-five thousand, five hundred forty-three".