11378437550 has 12 divisors (see below), whose sum is σ = 21163893936. Its totient is φ = 4551375000.

The previous prime is 11378437531. The next prime is 11378437559. The reversal of 11378437550 is 5573487311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11378437559) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 113784326 + ... + 113784425.

It is an arithmetic number, because the mean of its divisors is an integer number (1763657828).

Almost surely, 2^11378437550 is an apocalyptic number.

11378437550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11378437550 is a deficient number, since it is larger than the sum of its proper divisors (9785456386).

11378437550 is a wasteful number, since it uses less digits than its factorization.

11378437550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227568763 (or 227568758 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 44.

The spelling of 11378437550 in words is "eleven billion, three hundred seventy-eight million, four hundred thirty-seven thousand, five hundred fifty".