40124131111131 has 4 divisors (see below), whose sum is σ = 53498841481512. Its totient is φ = 26749420740752.

The previous prime is 40124131111121. The next prime is 40124131111139. The reversal of 40124131111131 is 13111113142104.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40124131111131 - 2¹⁹ = 40124130586843 is a prime.

It is a super-2 number, since 2×40124131111131² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40124131111139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6687355185186 + ... + 6687355185191.

It is an arithmetic number, because the mean of its divisors is an integer number (13374710370378).

Almost surely, 2^{40124131111131} is an apocalyptic number.

40124131111131 is a deficient number, since it is larger than the sum of its proper divisors (13374710370381).

40124131111131 is a wasteful number, since it uses less digits than its factorization.

40124131111131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13374710370380.

The product of its (nonzero) digits is 288, while the sum is 24.

Adding to 40124131111131 its reverse (13111113142104), we get a palindrome (53235244253235).

The spelling of 40124131111131 in words is "forty trillion, one hundred twenty-four billion, one hundred thirty-one million, one hundred eleven thousand, one hundred thirty-one".