245504415051 has 32 divisors (see below), whose sum is σ = 415704281600. Its totient is φ = 140276279520.

The previous prime is 245504414971. The next prime is 245504415097. The reversal of 245504415051 is 150514405542.

245504415051 is a `hidden beast` number, since 2 + 4 + 550 + 4 + 4 + 1 + 50 + 51 = 666.

It is not a de Polignac number, because 245504415051 - 2²¹ = 245502317899 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 245504414997 and 245504415015.

It is not an unprimeable number, because it can be changed into a prime (245504415151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2472381 + ... + 2569761.

It is an arithmetic number, because the mean of its divisors is an integer number (12990758800).

Almost surely, 2^245504415051 is an apocalyptic number.

245504415051 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

245504415051 is a deficient number, since it is larger than the sum of its proper divisors (170199866549).

245504415051 is a wasteful number, since it uses less digits than its factorization.

245504415051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110736 (or 110730 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 36.

The spelling of 245504415051 in words is "two hundred forty-five billion, five hundred four million, four hundred fifteen thousand, fifty-one".