245180554311847 has 32 divisors (see below), whose sum is σ = 305764611554304. Its totient is φ = 190996690905600.

The previous prime is 245180554311817. The next prime is 245180554311887. The reversal of 245180554311847 is 748113455081542.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245180554311847 is a prime.

It is a super-2 number, since 2×245180554311847² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 245180554311791 and 245180554311800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245180554311817) 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, 4909772463 + ... + 4909822399.

It is an arithmetic number, because the mean of its divisors is an integer number (9555144111072).

Almost surely, 2^{245180554311847} is an apocalyptic number.

245180554311847 is a deficient number, since it is larger than the sum of its proper divisors (60584057242457).

245180554311847 is a wasteful number, since it uses less digits than its factorization.

245180554311847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66399.

The product of its (nonzero) digits is 21504000, while the sum is 58.

The spelling of 245180554311847 in words is "two hundred forty-five trillion, one hundred eighty billion, five hundred fifty-four million, three hundred eleven thousand, eight hundred forty-seven".