11387942170254 has 48 divisors (see below), whose sum is σ = 27429022018944. Its totient is φ = 3390950520000.

The previous prime is 11387942170219. The next prime is 11387942170271. The reversal of 11387942170254 is 45207124978311.

It is a happy number.

11387942170254 is a `hidden beast` number, since 1 + 1 + 38 + 79 + 421 + 70 + 2 + 54 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11387942170254.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 784934997 + ... + 784949504.

It is an arithmetic number, because the mean of its divisors is an integer number (571437958728).

Almost surely, 2^{11387942170254} is an apocalyptic number.

11387942170254 is an abundant number, since it is smaller than the sum of its proper divisors (16041079848690).

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

11387942170254 is a wasteful number, since it uses less digits than its factorization.

11387942170254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1569884553 (or 1569884550 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 54.

The spelling of 11387942170254 in words is "eleven trillion, three hundred eighty-seven billion, nine hundred forty-two million, one hundred seventy thousand, two hundred fifty-four".