11449956542 has 8 divisors (see below), whose sum is σ = 17181525600. Its totient is φ = 5722781344.

The previous prime is 11449956521. The next prime is 11449956563. The reversal of 11449956542 is 24565994411.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11449956521) and next prime (11449956563).

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

It is a super-2 number, since 2×11449956542² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1091942 + ... + 1102377.

It is an arithmetic number, because the mean of its divisors is an integer number (2147690700).

Almost surely, 2^11449956542 is an apocalyptic number.

11449956542 is a deficient number, since it is larger than the sum of its proper divisors (5731569058).

11449956542 is a wasteful number, since it uses less digits than its factorization.

11449956542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2196930.

The product of its digits is 1555200, while the sum is 50.

The spelling of 11449956542 in words is "eleven billion, four hundred forty-nine million, nine hundred fifty-six thousand, five hundred forty-two".