11381502 has 48 divisors (see below), whose sum is σ = 25529616. Its totient is φ = 3379200.

The previous prime is 11381479. The next prime is 11381507. The reversal of 11381502 is 20518311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11381507) 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, 44158 + ... + 44414.

It is an arithmetic number, because the mean of its divisors is an integer number (531867).

Almost surely, 2^11381502 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11381502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12764808).

11381502 is an abundant number, since it is smaller than the sum of its proper divisors (14148114).

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

11381502 is a wasteful number, since it uses less digits than its factorization.

11381502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345 (or 334 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 11381502 is about 3373.6481737134. The cubic root of 11381502 is about 224.9399148202.

Adding to 11381502 its reverse (20518311), we get a palindrome (31899813).

The spelling of 11381502 in words is "eleven million, three hundred eighty-one thousand, five hundred two".