10155121426 has 4 divisors (see below), whose sum is σ = 15232682142. Its totient is φ = 5077560712.

The previous prime is 10155121421. The next prime is 10155121481. The reversal of 10155121426 is 62412155101.

10155121426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62412155101 = 67 ⋅931524703.

It can be written as a sum of positive squares in only one way, i.e., 5510835225 + 4644286201 = 74235^2 + 68149^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10155121394 and 10155121403.

It is not an unprimeable number, because it can be changed into a prime (10155121421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2538780355 + ... + 2538780358.

Almost surely, 2^10155121426 is an apocalyptic number.

10155121426 is a deficient number, since it is larger than the sum of its proper divisors (5077560716).

10155121426 is an equidigital number, since it uses as much as digits as its factorization.

10155121426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5077560715.

The product of its (nonzero) digits is 2400, while the sum is 28.

Adding to 10155121426 its reverse (62412155101), we get a palindrome (72567276527).

The spelling of 10155121426 in words is "ten billion, one hundred fifty-five million, one hundred twenty-one thousand, four hundred twenty-six".