11552164042542 has 64 divisors (see below), whose sum is σ = 25752767685120. Its totient is φ = 3433218683904.

The previous prime is 11552164042541. The next prime is 11552164042567. The reversal of 11552164042542 is 24524046125511.

It is a junction number, because it is equal to n+sod(n) for n = 11552164042494 and 11552164042503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11552164042541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28311223 + ... + 28716365.

It is an arithmetic number, because the mean of its divisors is an integer number (402386995080).

Almost surely, 2^{11552164042542} is an apocalyptic number.

11552164042542 is an abundant number, since it is smaller than the sum of its proper divisors (14200603642578).

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

11552164042542 is a wasteful number, since it uses less digits than its factorization.

11552164042542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419897.

The product of its (nonzero) digits is 384000, while the sum is 42.

The spelling of 11552164042542 in words is "eleven trillion, five hundred fifty-two billion, one hundred sixty-four million, forty-two thousand, five hundred forty-two".