11437115140 has 96 divisors (see below), whose sum is σ = 26955903744. Its totient is φ = 4039580160.

The previous prime is 11437115077. The next prime is 11437115153. The reversal of 11437115140 is 4151173411.

It is a junction number, because it is equal to n+sod(n) for n = 11437115099 and 11437115108.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7870654 + ... + 7872106.

It is an arithmetic number, because the mean of its divisors is an integer number (280790664).

Almost surely, 2^11437115140 is an apocalyptic number.

11437115140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11437115140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13477951872).

11437115140 is an abundant number, since it is smaller than the sum of its proper divisors (15518788604).

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

11437115140 is a wasteful number, since it uses less digits than its factorization.

11437115140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2477 (or 2475 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 28.

Adding to 11437115140 its reverse (4151173411), we get a palindrome (15588288551).

The spelling of 11437115140 in words is "eleven billion, four hundred thirty-seven million, one hundred fifteen thousand, one hundred forty".