11215015130 has 32 divisors (see below), whose sum is σ = 22029003648. Its totient is φ = 4076929600.

The previous prime is 11215015067. The next prime is 11215015139. The reversal of 11215015130 is 3151051211.

It is a happy number.

It is a super-2 number, since 2×11215015130² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11215015139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 389924 + ... + 417696.

It is an arithmetic number, because the mean of its divisors is an integer number (688406364).

Almost surely, 2^11215015130 is an apocalyptic number.

11215015130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11215015130 is a deficient number, since it is larger than the sum of its proper divisors (10813988518).

11215015130 is a wasteful number, since it uses less digits than its factorization.

11215015130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31462.

The product of its (nonzero) digits is 150, while the sum is 20.

Adding to 11215015130 its reverse (3151051211), we get a palindrome (14366066341).

The spelling of 11215015130 in words is "eleven billion, two hundred fifteen million, fifteen thousand, one hundred thirty".