4131123101504 has 56 divisors (see below), whose sum is σ = 9481674191808. Its totient is φ = 1749150213120.

The previous prime is 4131123101491. The next prime is 4131123101507. The reversal of 4131123101504 is 4051013211314.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4131123101507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55512557 + ... + 55586924.

It is an arithmetic number, because the mean of its divisors is an integer number (169315610568).

Almost surely, 2^{4131123101504} is an apocalyptic number.

It is an amenable number.

4131123101504 is an abundant number, since it is smaller than the sum of its proper divisors (5350551090304).

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

4131123101504 is a wasteful number, since it uses less digits than its factorization.

4131123101504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111099583 (or 111099573 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 4131123101504 its reverse (4051013211314), we get a palindrome (8182136312818).

The spelling of 4131123101504 in words is "four trillion, one hundred thirty-one billion, one hundred twenty-three million, one hundred one thousand, five hundred four".