10156561103225 has 12 divisors (see below), whose sum is σ = 12596151991104. Its totient is φ = 8123948093520.

The previous prime is 10156561103201. The next prime is 10156561103263. The reversal of 10156561103225 is 52230116565101.

It is not a de Polignac number, because 10156561103225 - 2⁸ = 10156561102969 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32360429 + ... + 32672778.

It is an arithmetic number, because the mean of its divisors is an integer number (1049679332592).

Almost surely, 2^{10156561103225} is an apocalyptic number.

It is an amenable number.

10156561103225 is a deficient number, since it is larger than the sum of its proper divisors (2439590887879).

10156561103225 is an equidigital number, since it uses as much as digits as its factorization.

10156561103225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65039464 (or 65039459 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 38.

Adding to 10156561103225 its reverse (52230116565101), we get a palindrome (62386677668326).

The spelling of 10156561103225 in words is "ten trillion, one hundred fifty-six billion, five hundred sixty-one million, one hundred three thousand, two hundred twenty-five".