131124145105 has 32 divisors (see below), whose sum is σ = 171961459200. Its totient is φ = 95604509952.

The previous prime is 131124145079. The next prime is 131124145109. The reversal of 131124145105 is 501541421131.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 131124145105 - 2⁵ = 131124145073 is a prime.

It is a super-2 number, since 2×131124145105² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131124145109) 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, 677224 + ... + 849046.

It is an arithmetic number, because the mean of its divisors is an integer number (5373795600).

Almost surely, 2^131124145105 is an apocalyptic number.

It is an amenable number.

131124145105 is a deficient number, since it is larger than the sum of its proper divisors (40837314095).

131124145105 is a wasteful number, since it uses less digits than its factorization.

131124145105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172153.

The product of its (nonzero) digits is 2400, while the sum is 28.

Adding to 131124145105 its reverse (501541421131), we get a palindrome (632665566236).

The spelling of 131124145105 in words is "one hundred thirty-one billion, one hundred twenty-four million, one hundred forty-five thousand, one hundred five".