115540044554061 has 48 divisors (see below), whose sum is σ = 175197399913536. Its totient is φ = 73310721539328.

The previous prime is 115540044553987. The next prime is 115540044554087. The reversal of 115540044554061 is 160455440045511.

It is a happy number.

115540044554061 is a `hidden beast` number, since 1 + 1 + 5 + 5 + 4 + 0 + 0 + 4 + 45 + 540 + 61 = 666.

It is not a de Polignac number, because 115540044554061 - 2¹¹ = 115540044552013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 115540044553998 and 115540044554016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115540044504061) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22292326 + ... + 26981991.

It is an arithmetic number, because the mean of its divisors is an integer number (3649945831532).

Almost surely, 2^{115540044554061} is an apocalyptic number.

It is an amenable number.

115540044554061 is a deficient number, since it is larger than the sum of its proper divisors (59657355359475).

115540044554061 is a wasteful number, since it uses less digits than its factorization.

115540044554061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49274522 (or 49274519 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 45.

Adding to 115540044554061 its reverse (160455440045511), we get a palindrome (275995484599572).

The spelling of 115540044554061 in words is "one hundred fifteen trillion, five hundred forty billion, forty-four million, five hundred fifty-four thousand, sixty-one".