78180553240053 has 32 divisors (see below), whose sum is σ = 114902316719232. Its totient is φ = 46888450560000.

The previous prime is 78180553240051. The next prime is 78180553240103. The reversal of 78180553240053 is 35004235508187.

It is a happy number.

It is not a de Polignac number, because 78180553240053 - 2¹ = 78180553240051 is a prime.

It is a super-2 number, since 2×78180553240053² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78180553239978 and 78180553240005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78180553240051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27455475 + ... + 30168927.

It is an arithmetic number, because the mean of its divisors is an integer number (3590697397476).

Almost surely, 2^{78180553240053} is an apocalyptic number.

It is an amenable number.

78180553240053 is a deficient number, since it is larger than the sum of its proper divisors (36721763479179).

78180553240053 is a wasteful number, since it uses less digits than its factorization.

78180553240053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2722565.

The product of its (nonzero) digits is 4032000, while the sum is 51.

The spelling of 78180553240053 in words is "seventy-eight trillion, one hundred eighty billion, five hundred fifty-three million, two hundred forty thousand, fifty-three".