11381971334 has 16 divisors (see below), whose sum is σ = 17361128400. Its totient is φ = 5595017760.

The previous prime is 11381971333. The next prime is 11381971357. The reversal of 11381971334 is 43317918311.

It is a junction number, because it is equal to n+sod(n) for n = 11381971291 and 11381971300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11381971333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247592 + ... + 289940.

It is an arithmetic number, because the mean of its divisors is an integer number (1085070525).

Almost surely, 2^11381971334 is an apocalyptic number.

11381971334 is a deficient number, since it is larger than the sum of its proper divisors (5979157066).

11381971334 is a wasteful number, since it uses less digits than its factorization.

11381971334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44615.

The product of its digits is 54432, while the sum is 41.

The spelling of 11381971334 in words is "eleven billion, three hundred eighty-one million, nine hundred seventy-one thousand, three hundred thirty-four".