2505863610628 has 24 divisors (see below), whose sum is σ = 5014822881600. Its totient is φ = 1073278191648.

The previous prime is 2505863610619. The next prime is 2505863610643. The reversal of 2505863610628 is 8260163685052.

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, 27593683 + ... + 27684346.

It is an arithmetic number, because the mean of its divisors is an integer number (208950953400).

Almost surely, 2^{2505863610628} is an apocalyptic number.

2505863610628 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2505863610628 is an abundant number, since it is smaller than the sum of its proper divisors (2508959270972).

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

2505863610628 is a wasteful number, since it uses less digits than its factorization.

2505863610628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55279659 (or 55279657 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 52.

The spelling of 2505863610628 in words is "two trillion, five hundred five billion, eight hundred sixty-three million, six hundred ten thousand, six hundred twenty-eight".