11506194876 has 72 divisors (see below), whose sum is σ = 30911255424. Its totient is φ = 3303200160.

The previous prime is 11506194871. The next prime is 11506194877. The reversal of 11506194876 is 67849160511.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11506194871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73080 + ... + 168383.

It is an arithmetic number, because the mean of its divisors is an integer number (429322992).

Almost surely, 2^11506194876 is an apocalyptic number.

It is an amenable number.

11506194876 is an abundant number, since it is smaller than the sum of its proper divisors (19405060548).

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

11506194876 is a wasteful number, since it uses less digits than its factorization.

11506194876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241519 (or 241498 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 48.

The spelling of 11506194876 in words is "eleven billion, five hundred six million, one hundred ninety-four thousand, eight hundred seventy-six".