11451939055 has 16 divisors (see below), whose sum is σ = 13804839360. Its totient is φ = 9119964672.

The previous prime is 11451939047. The next prime is 11451939061. The reversal of 11451939055 is 55093915411.

It is a cyclic number.

It is not a de Polignac number, because 11451939055 - 2³ = 11451939047 is a prime.

It is a super-2 number, since 2×11451939055² (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 15 ways as a sum of consecutive naturals, for example, 1135726 + ... + 1145764.

It is an arithmetic number, because the mean of its divisors is an integer number (862802460).

Almost surely, 2^11451939055 is an apocalyptic number.

11451939055 is a deficient number, since it is larger than the sum of its proper divisors (2352900305).

11451939055 is a wasteful number, since it uses less digits than its factorization.

11451939055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11058.

The product of its (nonzero) digits is 121500, while the sum is 43.

The spelling of 11451939055 in words is "eleven billion, four hundred fifty-one million, nine hundred thirty-nine thousand, fifty-five".