11662005542 has 32 divisors (see below), whose sum is σ = 20394737280. Its totient is φ = 4942449280.

The previous prime is 11662005541. The next prime is 11662005577. The reversal of 11662005542 is 24550026611.

It is a junction number, because it is equal to n+sod(n) for n = 11662005499 and 11662005508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11662005541) 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, 105692 + ... + 185727.

It is an arithmetic number, because the mean of its divisors is an integer number (637335540).

Almost surely, 2^11662005542 is an apocalyptic number.

11662005542 is a deficient number, since it is larger than the sum of its proper divisors (8732731738).

11662005542 is a wasteful number, since it uses less digits than its factorization.

11662005542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291556.

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 11662005542 in words is "eleven billion, six hundred sixty-two million, five thousand, five hundred forty-two".