11531353350 has 96 divisors (see below), whose sum is σ = 31317352704. Its totient is φ = 2784745600.

The previous prime is 11531353343. The next prime is 11531353373. The reversal of 11531353350 is 5335313511.

It is a super-2 number, since 2×11531353350² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 420664 + ... + 447236.

It is an arithmetic number, because the mean of its divisors is an integer number (326222424).

Almost surely, 2^11531353350 is an apocalyptic number.

11531353350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11531353350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15658676352).

11531353350 is an abundant number, since it is smaller than the sum of its proper divisors (19785999354).

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

11531353350 is a wasteful number, since it uses less digits than its factorization.

11531353350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26862 (or 26857 counting only the distinct ones).

The product of its (nonzero) digits is 10125, while the sum is 30.

Adding to 11531353350 its reverse (5335313511), we get a palindrome (16866666861).

The spelling of 11531353350 in words is "eleven billion, five hundred thirty-one million, three hundred fifty-three thousand, three hundred fifty".