11415868659954 has 48 divisors (see below), whose sum is σ = 26983189078560. Its totient is φ = 3459325063680.

The previous prime is 11415868659947. The next prime is 11415868659959. The reversal of 11415868659954 is 45995686851411.

11415868659954 is a `hidden beast` number, since 1 + 1 + 415 + 8 + 68 + 65 + 9 + 95 + 4 = 666.

It is a super-2 number, since 2×11415868659954² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11415868659959) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41414317 + ... + 41689055.

It is an arithmetic number, because the mean of its divisors is an integer number (562149772470).

Almost surely, 2^{11415868659954} is an apocalyptic number.

11415868659954 is an abundant number, since it is smaller than the sum of its proper divisors (15567320418606).

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

11415868659954 is a wasteful number, since it uses less digits than its factorization.

11415868659954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484615 (or 484612 counting only the distinct ones).

The product of its digits is 373248000, while the sum is 72.

The spelling of 11415868659954 in words is "eleven trillion, four hundred fifteen billion, eight hundred sixty-eight million, six hundred fifty-nine thousand, nine hundred fifty-four".