11211532010 has 48 divisors (see below), whose sum is σ = 23187009024. Its totient is φ = 3823514688.

The previous prime is 11211532009. The next prime is 11211532019. The reversal of 11211532010 is 1023511211.

It is a super-2 number, since 2×11211532010² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11211532010.

It is not an unprimeable number, because it can be changed into a prime (11211532019) 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, 2714567 + ... + 2718693.

It is an arithmetic number, because the mean of its divisors is an integer number (483062688).

Almost surely, 2^11211532010 is an apocalyptic number.

11211532010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11211532010 is an abundant number, since it is smaller than the sum of its proper divisors (11975477014).

11211532010 is an equidigital number, since it uses as much as digits as its factorization.

11211532010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4535 (or 4338 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 17.

The spelling of 11211532010 in words is "eleven billion, two hundred eleven million, five hundred thirty-two thousand, ten".