10145023540520 has 128 divisors (see below), whose sum is σ = 25343939491200. Its totient is φ = 3623705164800.

The previous prime is 10145023540499. The next prime is 10145023540541. The reversal of 10145023540520 is 2504532054101.

It is an interprime number because it is at equal distance from previous prime (10145023540499) and next prime (10145023540541).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19579022 + ... + 20090498.

It is an arithmetic number, because the mean of its divisors is an integer number (197999527275).

Almost surely, 2^{10145023540520} is an apocalyptic number.

10145023540520 is a gapful number since it is divisible by the number (10) 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 10145023540520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12671969745600).

10145023540520 is an abundant number, since it is smaller than the sum of its proper divisors (15198915950680).

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

10145023540520 is a wasteful number, since it uses less digits than its factorization.

10145023540520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512299 (or 512295 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 10145023540520 its reverse (2504532054101), we get a palindrome (12649555594621).

The spelling of 10145023540520 in words is "ten trillion, one hundred forty-five billion, twenty-three million, five hundred forty thousand, five hundred twenty".