11506542343436 has 36 divisors (see below), whose sum is σ = 23513097495888. Its totient is φ = 4912624791648.

The previous prime is 11506542343409. The next prime is 11506542343501. The reversal of 11506542343436 is 63434324560511.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111558431 + ... + 111661526.

It is an arithmetic number, because the mean of its divisors is an integer number (653141597108).

Almost surely, 2^{11506542343436} is an apocalyptic number.

It is an amenable number.

11506542343436 is an abundant number, since it is smaller than the sum of its proper divisors (12006555152452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11506542343436 is a wasteful number, since it uses less digits than its factorization.

11506542343436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223220238 (or 223220229 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 47.

The spelling of 11506542343436 in words is "eleven trillion, five hundred six billion, five hundred forty-two million, three hundred forty-three thousand, four hundred thirty-six".