11451516142 has 16 divisors (see below), whose sum is σ = 18964616832. Its totient is φ = 5142520120.

The previous prime is 11451516127. The next prime is 11451516173. The reversal of 11451516142 is 24161515411.

It is a super-2 number, since 2×11451516142² (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 7 ways as a sum of consecutive naturals, for example, 3133858 + ... + 3137509.

It is an arithmetic number, because the mean of its divisors is an integer number (1185288552).

Almost surely, 2^11451516142 is an apocalyptic number.

11451516142 is a deficient number, since it is larger than the sum of its proper divisors (7513100690).

11451516142 is a wasteful number, since it uses less digits than its factorization.

11451516142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6271463.

The product of its digits is 4800, while the sum is 31.

The spelling of 11451516142 in words is "eleven billion, four hundred fifty-one million, five hundred sixteen thousand, one hundred forty-two".