10125278518 has 4 divisors (see below), whose sum is σ = 15187917780. Its totient is φ = 5062639258.

The previous prime is 10125278509. The next prime is 10125278521. The reversal of 10125278518 is 81587252101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81587252101 = 285317 ⋅285953.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2531319628 + ... + 2531319631.

It is an arithmetic number, because the mean of its divisors is an integer number (3796979445).

Almost surely, 2^10125278518 is an apocalyptic number.

10125278518 is a deficient number, since it is larger than the sum of its proper divisors (5062639262).

10125278518 is an equidigital number, since it uses as much as digits as its factorization.

10125278518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5062639261.

The product of its (nonzero) digits is 44800, while the sum is 40.

The spelling of 10125278518 in words is "ten billion, one hundred twenty-five million, two hundred seventy-eight thousand, five hundred eighteen".