11135531658 has 32 divisors (see below), whose sum is σ = 23596742016. Its totient is φ = 3491186688.

The previous prime is 11135531657. The next prime is 11135531699. The reversal of 11135531658 is 85613553111.

It is not an unprimeable number, because it can be changed into a prime (11135531651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122010 + ... + 192762.

It is an arithmetic number, because the mean of its divisors is an integer number (737398188).

Almost surely, 2^11135531658 is an apocalyptic number.

11135531658 is an abundant number, since it is smaller than the sum of its proper divisors (12461210358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11135531658 is a wasteful number, since it uses less digits than its factorization.

11135531658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72318.

The product of its digits is 54000, while the sum is 39.

The spelling of 11135531658 in words is "eleven billion, one hundred thirty-five million, five hundred thirty-one thousand, six hundred fifty-eight".