11515135005003 has 32 divisors (see below), whose sum is σ = 17837630125056. Its totient is φ = 6471553701888.

The previous prime is 11515135004977. The next prime is 11515135005019. The reversal of 11515135005003 is 30050053151511.

It is not a de Polignac number, because 11515135005003 - 2¹² = 11515135000907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11515135005043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10098375 + ... + 11180672.

It is an arithmetic number, because the mean of its divisors is an integer number (557425941408).

Almost surely, 2^{11515135005003} is an apocalyptic number.

11515135005003 is a deficient number, since it is larger than the sum of its proper divisors (6322495120053).

11515135005003 is a wasteful number, since it uses less digits than its factorization.

11515135005003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21279483.

The product of its (nonzero) digits is 5625, while the sum is 30.

Adding to 11515135005003 its reverse (30050053151511), we get a palindrome (41565188156514).

It can be divided in two parts, 1151513 and 5005003, that added together give a palindrome (6156516).

The spelling of 11515135005003 in words is "eleven trillion, five hundred fifteen billion, one hundred thirty-five million, five thousand, three".