10124156305 has 4 divisors (see below), whose sum is σ = 12148987572. Its totient is φ = 8099325040.

The previous prime is 10124156299. The next prime is 10124156309. The reversal of 10124156305 is 50365142101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50365142101 = 23 ⋅2189788787.

It can be written as a sum of positive squares in 2 ways, for example, as 1225630081 + 8898526224 = 35009^2 + 94332^2 .

It is not a de Polignac number, because 10124156305 - 2⁹ = 10124155793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10124156309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1012415626 + ... + 1012415635.

It is an arithmetic number, because the mean of its divisors is an integer number (3037246893).

Almost surely, 2^10124156305 is an apocalyptic number.

It is an amenable number.

10124156305 is a deficient number, since it is larger than the sum of its proper divisors (2024831267).

10124156305 is an equidigital number, since it uses as much as digits as its factorization.

10124156305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2024831266.

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 10124156305 its reverse (50365142101), we get a palindrome (60489298406).

The spelling of 10124156305 in words is "ten billion, one hundred twenty-four million, one hundred fifty-six thousand, three hundred five".