11662881400558 has 16 divisors (see below), whose sum is σ = 17702298704304. Its totient is φ = 5762389723200.

The previous prime is 11662881400537. The next prime is 11662881400589. The reversal of 11662881400558 is 85500418826611.

It is a super-3 number, since 3×11662881400558³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 11662881400499 and 11662881400508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68554143 + ... + 68724058.

It is an arithmetic number, because the mean of its divisors is an integer number (1106393669019).

Almost surely, 2^{11662881400558} is an apocalyptic number.

11662881400558 is a deficient number, since it is larger than the sum of its proper divisors (6039417303746).

11662881400558 is a wasteful number, since it uses less digits than its factorization.

11662881400558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137278707.

The product of its (nonzero) digits is 3686400, while the sum is 55.

The spelling of 11662881400558 in words is "eleven trillion, six hundred sixty-two billion, eight hundred eighty-one million, four hundred thousand, five hundred fifty-eight".