11251378694 has 48 divisors (see below), whose sum is σ = 18655515648. Its totient is φ = 5078970864.

The previous prime is 11251378693. The next prime is 11251378727. The reversal of 11251378694 is 49687315211.

11251378694 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11251378693) 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, 5096939 + ... + 5099145.

It is an arithmetic number, because the mean of its divisors is an integer number (388656576).

Almost surely, 2^11251378694 is an apocalyptic number.

11251378694 is a deficient number, since it is larger than the sum of its proper divisors (7404136954).

11251378694 is a wasteful number, since it uses less digits than its factorization.

11251378694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2577 (or 2558 counting only the distinct ones).

The product of its digits is 362880, while the sum is 47.

The spelling of 11251378694 in words is "eleven billion, two hundred fifty-one million, three hundred seventy-eight thousand, six hundred ninety-four".