11211541151 has 4 divisors (see below), whose sum is σ = 11216688600. Its totient is φ = 11206393704.

The previous prime is 11211541141. The next prime is 11211541171. The reversal of 11211541151 is 15114511211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15114511211 = 37 ⋅408500303.

It is a cyclic number.

It is not a de Polignac number, because 11211541151 - 2³⁰ = 10137799327 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 (11211541141) 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, 2570456 + ... + 2574813.

It is an arithmetic number, because the mean of its divisors is an integer number (2804172150).

Almost surely, 2^11211541151 is an apocalyptic number.

11211541151 is a deficient number, since it is larger than the sum of its proper divisors (5147449).

11211541151 is an equidigital number, since it uses as much as digits as its factorization.

11211541151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5147448.

The product of its digits is 200, while the sum is 23.

The spelling of 11211541151 in words is "eleven billion, two hundred eleven million, five hundred forty-one thousand, one hundred fifty-one".