245100115040520 has 64 divisors (see below), whose sum is σ = 735301389064320. Its totient is φ = 65359937882624.

The previous prime is 245100115040489. The next prime is 245100115040537. The reversal of 245100115040520 is 25040511001542.

It is a super-3 number, since 3×245100115040520³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143806444 + ... + 145500836.

It is an arithmetic number, because the mean of its divisors is an integer number (11489084204130).

Almost surely, 2^{245100115040520} is an apocalyptic number.

245100115040520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245100115040520 is an abundant number, since it is smaller than the sum of its proper divisors (490201274023800).

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

245100115040520 is a wasteful number, since it uses less digits than its factorization.

245100115040520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2899854 (or 2899850 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

The spelling of 245100115040520 in words is "two hundred forty-five trillion, one hundred billion, one hundred fifteen million, forty thousand, five hundred twenty".