11631078 has 48 divisors (see below), whose sum is σ = 26956800. Its totient is φ = 3613680.

The previous prime is 11631071. The next prime is 11631079. The reversal of 11631078 is 87013611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11631071) 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, 24043 + ... + 24521.

It is an arithmetic number, because the mean of its divisors is an integer number (561600).

Almost surely, 2^11631078 is an apocalyptic number.

11631078 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11631078, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13478400).

11631078 is an abundant number, since it is smaller than the sum of its proper divisors (15325722).

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

11631078 is a wasteful number, since it uses less digits than its factorization.

11631078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577 (or 574 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 11631078 is about 3410.4366289377. The cubic root of 11631078 is about 226.5722179549.

Adding to 11631078 its reverse (87013611), we get a palindrome (98644689).

The spelling of 11631078 in words is "eleven million, six hundred thirty-one thousand, seventy-eight".