11541619151 has 4 divisors (see below), whose sum is σ = 11542188072. Its totient is φ = 11541050232.

The previous prime is 11541619097. The next prime is 11541619171. The reversal of 11541619151 is 15191614511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11541619151 - 2²⁶ = 11474510287 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 (11541619171) 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, 252860 + ... + 294993.

It is an arithmetic number, because the mean of its divisors is an integer number (2885547018).

Almost surely, 2^11541619151 is an apocalyptic number.

11541619151 is a deficient number, since it is larger than the sum of its proper divisors (568921).

11541619151 is an equidigital number, since it uses as much as digits as its factorization.

11541619151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568920.

The product of its digits is 5400, while the sum is 35.

The spelling of 11541619151 in words is "eleven billion, five hundred forty-one million, six hundred nineteen thousand, one hundred fifty-one".