11571401044701 has 40 divisors (see below), whose sum is σ = 17309044393344. Its totient is φ = 7703844292800.

The previous prime is 11571401044639. The next prime is 11571401044729. The reversal of 11571401044701 is 10744010417511.

It is a happy number.

11571401044701 is a `hidden beast` number, since 1 + 1 + 571 + 4 + 0 + 10 + 4 + 4 + 70 + 1 = 666.

It is not a de Polignac number, because 11571401044701 - 2⁷ = 11571401044573 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11571401044771) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 185553676 + ... + 185616026.

Almost surely, 2^{11571401044701} is an apocalyptic number.

It is an amenable number.

11571401044701 is a deficient number, since it is larger than the sum of its proper divisors (5737643348643).

11571401044701 is a wasteful number, since it uses less digits than its factorization.

11571401044701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65423 (or 65414 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 36.

The spelling of 11571401044701 in words is "eleven trillion, five hundred seventy-one billion, four hundred one million, forty-four thousand, seven hundred one".