11111650004 has 48 divisors (see below), whose sum is σ = 23945768448. Its totient is φ = 4393433088.

The previous prime is 11111650001. The next prime is 11111650019. The reversal of 11111650004 is 40005611111.

It is a happy number.

It is a super-2 number, since 2×11111650004² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111650001) 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, 761909 + ... + 776355.

It is an arithmetic number, because the mean of its divisors is an integer number (498870176).

Almost surely, 2^11111650004 is an apocalyptic number.

11111650004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11111650004 is an abundant number, since it is smaller than the sum of its proper divisors (12834118444).

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

11111650004 is a wasteful number, since it uses less digits than its factorization.

11111650004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16584 (or 16582 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 20.

The spelling of 11111650004 in words is "eleven billion, one hundred eleven million, six hundred fifty thousand, four".