11115134425531 has 8 divisors (see below), whose sum is σ = 11135345238000. Its totient is φ = 11094925987200.

The previous prime is 11115134425487. The next prime is 11115134425543. The reversal of 11115134425531 is 13552443151111.

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 11115134425531 - 2⁷ = 11115134425403 is a prime.

It is a super-2 number, since 2×11115134425531² (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 (11115134485531) 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, 8916831 + ... + 10086631.

It is an arithmetic number, because the mean of its divisors is an integer number (1391918154750).

Almost surely, 2^{11115134425531} is an apocalyptic number.

11115134425531 is a deficient number, since it is larger than the sum of its proper divisors (20210812469).

11115134425531 is a wasteful number, since it uses less digits than its factorization.

11115134425531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187069.

The product of its digits is 36000, while the sum is 37.

Adding to 11115134425531 its reverse (13552443151111), we get a palindrome (24667577576642).

The spelling of 11115134425531 in words is "eleven trillion, one hundred fifteen billion, one hundred thirty-four million, four hundred twenty-five thousand, five hundred thirty-one".