11451045854 has 8 divisors (see below), whose sum is σ = 17181373440. Its totient is φ = 5723921376.

The previous prime is 11451045839. The next prime is 11451045863. The reversal of 11451045854 is 45854015411.

It is a happy number.

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

It is a super-2 number, since 2×11451045854² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 791819 + ... + 806150.

It is an arithmetic number, because the mean of its divisors is an integer number (2147671680).

Almost surely, 2^11451045854 is an apocalyptic number.

11451045854 is a deficient number, since it is larger than the sum of its proper divisors (5730327586).

11451045854 is a wasteful number, since it uses less digits than its factorization.

11451045854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601554.

The product of its (nonzero) digits is 64000, while the sum is 38.

The spelling of 11451045854 in words is "eleven billion, four hundred fifty-one million, forty-five thousand, eight hundred fifty-four".