11543552495 has 4 divisors (see below), whose sum is σ = 13852263000. Its totient is φ = 9234841992.

The previous prime is 11543552477. The next prime is 11543552497. The reversal of 11543552495 is 59425534511.

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 11543552495 - 2⁶ = 11543552431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11543552497) 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, 1154355245 + ... + 1154355254.

It is an arithmetic number, because the mean of its divisors is an integer number (3463065750).

Almost surely, 2^11543552495 is an apocalyptic number.

11543552495 is a deficient number, since it is larger than the sum of its proper divisors (2308710505).

11543552495 is an equidigital number, since it uses as much as digits as its factorization.

11543552495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2308710504.

The product of its digits is 540000, while the sum is 44.

The spelling of 11543552495 in words is "eleven billion, five hundred forty-three million, five hundred fifty-two thousand, four hundred ninety-five".