10155121073 has 2 divisors, whose sum is σ = 10155121074. Its totient is φ = 10155121072.

The previous prime is 10155121013. The next prime is 10155121087. The reversal of 10155121073 is 37012155101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9140889664 + 1014231409 = 95608^2 + 31847^2 .

It is a cyclic number.

It is not a de Polignac number, because 10155121073 - 2²² = 10150926769 is a prime.

It is not a weakly prime, because it can be changed into another prime (10155121013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5077560536 + 5077560537.

It is an arithmetic number, because the mean of its divisors is an integer number (5077560537).

Almost surely, 2^10155121073 is an apocalyptic number.

It is an amenable number.

10155121073 is a deficient number, since it is larger than the sum of its proper divisors (1).

10155121073 is an equidigital number, since it uses as much as digits as its factorization.

10155121073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1050, while the sum is 26.

Adding to 10155121073 its reverse (37012155101), we get a palindrome (47167276174).

The spelling of 10155121073 in words is "ten billion, one hundred fifty-five million, one hundred twenty-one thousand, seventy-three".