11542261463 has 4 divisors (see below), whose sum is σ = 11648153880. Its totient is φ = 11436369048.

The previous prime is 11542261447. The next prime is 11542261513. The reversal of 11542261463 is 36416224511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36416224511 = 10427 ⋅3492493.

It is a cyclic number.

It is not a de Polignac number, because 11542261463 - 2⁴ = 11542261447 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 (11542261433) 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, 52946045 + ... + 52946262.

It is an arithmetic number, because the mean of its divisors is an integer number (2912038470).

Almost surely, 2^11542261463 is an apocalyptic number.

11542261463 is a deficient number, since it is larger than the sum of its proper divisors (105892417).

11542261463 is a wasteful number, since it uses less digits than its factorization.

11542261463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105892416.

The product of its digits is 34560, while the sum is 35.

Adding to 11542261463 its reverse (36416224511), we get a palindrome (47958485974).

The spelling of 11542261463 in words is "eleven billion, five hundred forty-two million, two hundred sixty-one thousand, four hundred sixty-three".