10520252555140 has 24 divisors (see below), whose sum is σ = 22116570154560. Its totient is φ = 4203522014688.

The previous prime is 10520252555093. The next prime is 10520252555167. The reversal of 10520252555140 is 4155525202501.

It is a super-2 number, since 2×10520252555140² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10520252555140.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286169122 + ... + 286205881.

It is an arithmetic number, because the mean of its divisors is an integer number (921523756440).

Almost surely, 2^{10520252555140} is an apocalyptic number.

10520252555140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10520252555140 is an abundant number, since it is smaller than the sum of its proper divisors (11596317599420).

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

10520252555140 is a wasteful number, since it uses less digits than its factorization.

10520252555140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572375931 (or 572375929 counting only the distinct ones).

The product of its (nonzero) digits is 100000, while the sum is 37.

Adding to 10520252555140 its reverse (4155525202501), we get a palindrome (14675777757641).

The spelling of 10520252555140 in words is "ten trillion, five hundred twenty billion, two hundred fifty-two million, five hundred fifty-five thousand, one hundred forty".