11543215101 has 16 divisors (see below), whose sum is σ = 17777786688. Its totient is φ = 6584364800.

The previous prime is 11543215097. The next prime is 11543215121. The reversal of 11543215101 is 10151234511.

It is a cyclic number.

It is not a de Polignac number, because 11543215101 - 2² = 11543215097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11543215121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10287510 + ... + 10288631.

It is an arithmetic number, because the mean of its divisors is an integer number (1111111668).

Almost surely, 2^11543215101 is an apocalyptic number.

11543215101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11543215101 is a deficient number, since it is larger than the sum of its proper divisors (6234571587).

11543215101 is a wasteful number, since it uses less digits than its factorization.

11543215101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20576172.

The product of its (nonzero) digits is 600, while the sum is 24.

Adding to 11543215101 its reverse (10151234511), we get a palindrome (21694449612).

The spelling of 11543215101 in words is "eleven billion, five hundred forty-three million, two hundred fifteen thousand, one hundred one".