55120040116140 has 48 divisors (see below), whose sum is σ = 154562080393728. Its totient is φ = 14677156595904.

The previous prime is 55120040116111. The next prime is 55120040116213. The reversal of 55120040116140 is 4161104002155.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 55120040116098 and 55120040116107.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 672482692 + ... + 672564651.

It is an arithmetic number, because the mean of its divisors is an integer number (3220043341536).

Almost surely, 2^{55120040116140} is an apocalyptic number.

It is an amenable number.

55120040116140 is an abundant number, since it is smaller than the sum of its proper divisors (99442040277588).

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

55120040116140 is a wasteful number, since it uses less digits than its factorization.

55120040116140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345048038 (or 1345048036 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

Adding to 55120040116140 its reverse (4161104002155), we get a palindrome (59281144118295).

The spelling of 55120040116140 in words is "fifty-five trillion, one hundred twenty billion, forty million, one hundred sixteen thousand, one hundred forty".