11553215101 has 4 divisors (see below), whose sum is σ = 11557900672. Its totient is φ = 11548529532.

The previous prime is 11553215087. The next prime is 11553215119. The reversal of 11553215101 is 10151235511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10151235511 = 5189 ⋅1956299.

It is a cyclic number.

It is not a de Polignac number, because 11553215101 - 2¹³ = 11553206909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11553215131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2339085 + ... + 2344018.

It is an arithmetic number, because the mean of its divisors is an integer number (2889475168).

Almost surely, 2^11553215101 is an apocalyptic number.

It is an amenable number.

11553215101 is a deficient number, since it is larger than the sum of its proper divisors (4685571).

11553215101 is an equidigital number, since it uses as much as digits as its factorization.

11553215101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4685570.

The product of its (nonzero) digits is 750, while the sum is 25.

The spelling of 11553215101 in words is "eleven billion, five hundred fifty-three million, two hundred fifteen thousand, one hundred one".