11015142530 has 32 divisors (see below), whose sum is σ = 22750035840. Its totient is φ = 3761568000.

The previous prime is 11015142491. The next prime is 11015142569. The reversal of 11015142530 is 3524151011.

It is an interprime number because it is at equal distance from previous prime (11015142491) and next prime (11015142569).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11015142496 and 11015142505.

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, 295895 + ... + 331034.

It is an arithmetic number, because the mean of its divisors is an integer number (710938620).

Almost surely, 2^11015142530 is an apocalyptic number.

11015142530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11015142530 is an abundant number, since it is smaller than the sum of its proper divisors (11734893310).

11015142530 is a wasteful number, since it uses less digits than its factorization.

11015142530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627194.

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 11015142530 its reverse (3524151011), we get a palindrome (14539293541).

The spelling of 11015142530 in words is "eleven billion, fifteen million, one hundred forty-two thousand, five hundred thirty".