11163125065631 has 32 divisors (see below), whose sum is σ = 14168867701248. Its totient is φ = 8542558563840.

The previous prime is 11163125065621. The next prime is 11163125065657. The reversal of 11163125065631 is 13656052136111.

It is a de Polignac number, because none of the positive numbers 2^k-11163125065631 is a prime.

It is a super-2 number, since 2×11163125065631² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11163125065621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2952041 + ... + 5571426.

It is an arithmetic number, because the mean of its divisors is an integer number (442777115664).

Almost surely, 2^{11163125065631} is an apocalyptic number.

11163125065631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11163125065631 is a deficient number, since it is larger than the sum of its proper divisors (3005742635617).

11163125065631 is a wasteful number, since it uses less digits than its factorization.

11163125065631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8523791.

The product of its (nonzero) digits is 97200, while the sum is 41.

The spelling of 11163125065631 in words is "eleven trillion, one hundred sixty-three billion, one hundred twenty-five million, sixty-five thousand, six hundred thirty-one".