11781054185908 has 48 divisors (see below), whose sum is σ = 23676740276224. Its totient is φ = 5024465238240.

The previous prime is 11781054185903. The next prime is 11781054185921. The reversal of 11781054185908 is 80958145018711.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11781054185903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48697141 + ... + 48938467.

Almost surely, 2^{11781054185908} is an apocalyptic number.

It is an amenable number.

11781054185908 is an abundant number, since it is smaller than the sum of its proper divisors (11895686090316).

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

11781054185908 is a wasteful number, since it uses less digits than its factorization.

11781054185908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249812 (or 249810 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 58.

The spelling of 11781054185908 in words is "eleven trillion, seven hundred eighty-one billion, fifty-four million, one hundred eighty-five thousand, nine hundred eight".