11456621542 has 8 divisors (see below), whose sum is σ = 17188875216. Its totient is φ = 5726996472.

The previous prime is 11456621531. The next prime is 11456621543. The reversal of 11456621542 is 24512665411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11456621543) 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, 646218 + ... + 663709.

It is an arithmetic number, because the mean of its divisors is an integer number (2148609402).

Almost surely, 2^11456621542 is an apocalyptic number.

11456621542 is a deficient number, since it is larger than the sum of its proper divisors (5732253674).

11456621542 is a wasteful number, since it uses less digits than its factorization.

11456621542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314302.

The product of its digits is 57600, while the sum is 37.

The spelling of 11456621542 in words is "eleven billion, four hundred fifty-six million, six hundred twenty-one thousand, five hundred forty-two".