10156123207049 has 4 divisors (see below), whose sum is σ = 10690656007440. Its totient is φ = 9621590406660.

The previous prime is 10156123207033. The next prime is 10156123207081. The reversal of 10156123207049 is 94070232165101.

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 not a de Polignac number, because 10156123207049 - 2⁴ = 10156123207033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10156123206997 and 10156123207015.

It is not an unprimeable number, because it can be changed into a prime (10156123207249) 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, 267266400167 + ... + 267266400204.

It is an arithmetic number, because the mean of its divisors is an integer number (2672664001860).

Almost surely, 2^{10156123207049} is an apocalyptic number.

10156123207049 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

10156123207049 is a deficient number, since it is larger than the sum of its proper divisors (534532800391).

10156123207049 is an equidigital number, since it uses as much as digits as its factorization.

10156123207049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534532800390.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 10156123207049 in words is "ten trillion, one hundred fifty-six billion, one hundred twenty-three million, two hundred seven thousand, forty-nine".