10155121013 has 2 divisors, whose sum is σ = 10155121014. Its totient is φ = 10155121012.

The previous prime is 10155121001. The next prime is 10155121073. The reversal of 10155121013 is 31012155101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10152980644 + 2140369 = 100762^2 + 1463^2 .

It is a cyclic number.

It is not a de Polignac number, because 10155121013 - 2⁶ = 10155120949 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10155121073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5077560506 + 5077560507.

It is an arithmetic number, because the mean of its divisors is an integer number (5077560507).

Almost surely, 2^10155121013 is an apocalyptic number.

It is an amenable number.

10155121013 is a deficient number, since it is larger than the sum of its proper divisors (1).

10155121013 is an equidigital number, since it uses as much as digits as its factorization.

10155121013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 150, while the sum is 20.

Adding to 10155121013 its reverse (31012155101), we get a palindrome (41167276114).

The spelling of 10155121013 in words is "ten billion, one hundred fifty-five million, one hundred twenty-one thousand, thirteen".