10251112551540 has 48 divisors (see below), whose sum is σ = 32803560166272. Its totient is φ = 2343111440256.

The previous prime is 10251112551521. The next prime is 10251112551553. The reversal of 10251112551540 is 4515521115201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12203704999 + ... + 12203705838.

It is an arithmetic number, because the mean of its divisors is an integer number (683407503464).

Almost surely, 2^{10251112551540} is an apocalyptic number.

10251112551540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10251112551540 is an abundant number, since it is smaller than the sum of its proper divisors (22552447614732).

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

10251112551540 is a wasteful number, since it uses less digits than its factorization.

10251112551540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24407410856 (or 24407410854 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 33.

Adding to 10251112551540 its reverse (4515521115201), we get a palindrome (14766633666741).

The spelling of 10251112551540 in words is "ten trillion, two hundred fifty-one billion, one hundred twelve million, five hundred fifty-one thousand, five hundred forty".