11451113942 has 32 divisors (see below), whose sum is σ = 18694458720. Its totient is φ = 5247486720.

The previous prime is 11451113941. The next prime is 11451113953. The reversal of 11451113942 is 24931115411.

It is a super-2 number, since 2×11451113942² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11451113899 and 11451113908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11451113941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22913 + ... + 153059.

It is an arithmetic number, because the mean of its divisors is an integer number (584201835).

Almost surely, 2^11451113942 is an apocalyptic number.

11451113942 is a deficient number, since it is larger than the sum of its proper divisors (7243344778).

11451113942 is a wasteful number, since it uses less digits than its factorization.

11451113942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130256.

The product of its digits is 4320, while the sum is 32.

The spelling of 11451113942 in words is "eleven billion, four hundred fifty-one million, one hundred thirteen thousand, nine hundred forty-two".