10251115553 has 4 divisors (see below), whose sum is σ = 11715560640. Its totient is φ = 8786670468.

The previous prime is 10251115507. The next prime is 10251115559. The reversal of 10251115553 is 35551115201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10251115553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10251115559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 732222533 + ... + 732222546.

It is an arithmetic number, because the mean of its divisors is an integer number (2928890160).

Almost surely, 2^10251115553 is an apocalyptic number.

It is an amenable number.

10251115553 is a deficient number, since it is larger than the sum of its proper divisors (1464445087).

10251115553 is an equidigital number, since it uses as much as digits as its factorization.

10251115553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1464445086.

The product of its (nonzero) digits is 3750, while the sum is 29.

The spelling of 10251115553 in words is "ten billion, two hundred fifty-one million, one hundred fifteen thousand, five hundred fifty-three".