11136117531 has 48 divisors (see below), whose sum is σ = 19537728768. Its totient is φ = 5480481600.

The previous prime is 11136117523. The next prime is 11136117541. The reversal of 11136117531 is 13571163111.

It is not a de Polignac number, because 11136117531 - 2³ = 11136117523 is a prime.

It is a super-2 number, since 2×11136117531² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11136117541) 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 47 ways as a sum of consecutive naturals, for example, 16621 + ... + 150161.

It is an arithmetic number, because the mean of its divisors is an integer number (407036016).

Almost surely, 2^11136117531 is an apocalyptic number.

11136117531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11136117531 is a deficient number, since it is larger than the sum of its proper divisors (8401611237).

11136117531 is a wasteful number, since it uses less digits than its factorization.

11136117531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133600 (or 133581 counting only the distinct ones).

The product of its digits is 1890, while the sum is 30.

The spelling of 11136117531 in words is "eleven billion, one hundred thirty-six million, one hundred seventeen thousand, five hundred thirty-one".