11142523455131 has 8 divisors (see below), whose sum is σ = 11159094533184. Its totient is φ = 11125953667080.

The previous prime is 11142523455109. The next prime is 11142523455137. The reversal of 11142523455131 is 13155432524111.

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

It is a cyclic number.

It is not a de Polignac number, because 11142523455131 - 2⁶ = 11142523455067 is a prime.

It is a super-2 number, since 2×11142523455131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11142523455137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17714240 + ... + 18332466.

It is an arithmetic number, because the mean of its divisors is an integer number (1394886816648).

Almost surely, 2^{11142523455131} is an apocalyptic number.

11142523455131 is a deficient number, since it is larger than the sum of its proper divisors (16571078053).

11142523455131 is an equidigital number, since it uses as much as digits as its factorization.

11142523455131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645001.

The product of its digits is 72000, while the sum is 38.

Adding to 11142523455131 its reverse (13155432524111), we get a palindrome (24297955979242).

The spelling of 11142523455131 in words is "eleven trillion, one hundred forty-two billion, five hundred twenty-three million, four hundred fifty-five thousand, one hundred thirty-one".