11405144554125 has 96 divisors (see below), whose sum is σ = 23375261999232. Its totient is φ = 4907087270400.

The previous prime is 11405144554121. The next prime is 11405144554129. The reversal of 11405144554125 is 52145544150411.

It is an interprime number because it is at equal distance from previous prime (11405144554121) and next prime (11405144554129).

It is not a de Polignac number, because 11405144554125 - 2² = 11405144554121 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11405144554121) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 17943159 + ... + 18567908.

It is an arithmetic number, because the mean of its divisors is an integer number (243492312492).

Almost surely, 2^{11405144554125} is an apocalyptic number.

11405144554125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11405144554125 is an abundant number, since it is smaller than the sum of its proper divisors (11970117445107).

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

11405144554125 is a wasteful number, since it uses less digits than its factorization.

11405144554125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36511116 (or 36511099 counting only the distinct ones).

The product of its (nonzero) digits is 320000, while the sum is 42.

The spelling of 11405144554125 in words is "eleven trillion, four hundred five billion, one hundred forty-four million, five hundred fifty-four thousand, one hundred twenty-five".