11542340656506 has 32 divisors (see below), whose sum is σ = 25200986231808. Its totient is φ = 3495220997040.

The previous prime is 11542340656493. The next prime is 11542340656607. The reversal of 11542340656506 is 60565604324511.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61355116 + ... + 61542951.

It is an arithmetic number, because the mean of its divisors is an integer number (787530819744).

Almost surely, 2^{11542340656506} is an apocalyptic number.

11542340656506 is an abundant number, since it is smaller than the sum of its proper divisors (13658645575302).

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

11542340656506 is a wasteful number, since it uses less digits than its factorization.

11542340656506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122899506.

The product of its (nonzero) digits is 2592000, while the sum is 48.

The spelling of 11542340656506 in words is "eleven trillion, five hundred forty-two billion, three hundred forty million, six hundred fifty-six thousand, five hundred six".