55115145414040 has 32 divisors (see below), whose sum is σ = 124009406707680. Its totient is φ = 22045999583232.

The previous prime is 55115145413989. The next prime is 55115145414137. The reversal of 55115145414040 is 4041454151155.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 55115145413984 and 55115145414002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15416509 + ... + 18652051.

It is an arithmetic number, because the mean of its divisors is an integer number (3875293959615).

Almost surely, 2^{55115145414040} is an apocalyptic number.

It is an amenable number.

55115145414040 is an abundant number, since it is smaller than the sum of its proper divisors (68894261293640).

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

55115145414040 is a wasteful number, since it uses less digits than its factorization.

55115145414040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3661411 (or 3661407 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 40.

Adding to 55115145414040 its reverse (4041454151155), we get a palindrome (59156599565195).

The spelling of 55115145414040 in words is "fifty-five trillion, one hundred fifteen billion, one hundred forty-five million, four hundred fourteen thousand, forty".