245011104520 has 256 divisors, whose sum is σ = 687271495680. Its totient is φ = 76543488000.

The previous prime is 245011104479. The next prime is 245011104557. The reversal of 245011104520 is 25401110542.

It is a super-2 number, since 2×245011104520² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 154775649 + ... + 154777231.

It is an arithmetic number, because the mean of its divisors is an integer number (2684654280).

Almost surely, 2^245011104520 is an apocalyptic number.

245011104520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245011104520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (343635747840).

245011104520 is an abundant number, since it is smaller than the sum of its proper divisors (442260391160).

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

245011104520 is a wasteful number, since it uses less digits than its factorization.

245011104520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2136 (or 2132 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The spelling of 245011104520 in words is "two hundred forty-five billion, eleven million, one hundred four thousand, five hundred twenty".