245124555503 has 4 divisors (see below), whose sum is σ = 246995735448. Its totient is φ = 243253375560.

The previous prime is 245124555469. The next prime is 245124555601. The reversal of 245124555503 is 305555421542.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 245124555503 - 2⁶ = 245124555439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245124545503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 935589776 + ... + 935590037.

It is an arithmetic number, because the mean of its divisors is an integer number (61748933862).

Almost surely, 2^245124555503 is an apocalyptic number.

245124555503 is a deficient number, since it is larger than the sum of its proper divisors (1871179945).

245124555503 is a wasteful number, since it uses less digits than its factorization.

245124555503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1871179944.

The product of its (nonzero) digits is 600000, while the sum is 41.

The spelling of 245124555503 in words is "two hundred forty-five billion, one hundred twenty-four million, five hundred fifty-five thousand, five hundred three".