11321313510 has 32 divisors (see below), whose sum is σ = 29261242080. Its totient is φ = 2786784768.

The previous prime is 11321313481. The next prime is 11321313569. The reversal of 11321313510 is 1531312311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14514115 + ... + 14514894.

It is an arithmetic number, because the mean of its divisors is an integer number (914413815).

Almost surely, 2^11321313510 is an apocalyptic number.

11321313510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11321313510 is an abundant number, since it is smaller than the sum of its proper divisors (17939928570).

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

11321313510 is a wasteful number, since it uses less digits than its factorization.

11321313510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29029032.

The product of its (nonzero) digits is 270, while the sum is 21.

Adding to 11321313510 its reverse (1531312311), we get a palindrome (12852625821).

The spelling of 11321313510 in words is "eleven billion, three hundred twenty-one million, three hundred thirteen thousand, five hundred ten".