10145023621013 has 4 divisors (see below), whose sum is σ = 10145035433760. Its totient is φ = 10145011808268.

The previous prime is 10145023621009. The next prime is 10145023621043. The reversal of 10145023621013 is 31012632054101.

10145023621013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10145023621013 - 2² = 10145023621009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10145023621043) 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, 4507745 + ... + 6372582.

It is an arithmetic number, because the mean of its divisors is an integer number (2536258858440).

Almost surely, 2^{10145023621013} is an apocalyptic number.

It is an amenable number.

10145023621013 is a deficient number, since it is larger than the sum of its proper divisors (11812747).

10145023621013 is an equidigital number, since it uses as much as digits as its factorization.

10145023621013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11812746.

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 10145023621013 its reverse (31012632054101), we get a palindrome (41157655675114).

The spelling of 10145023621013 in words is "ten trillion, one hundred forty-five billion, twenty-three million, six hundred twenty-one thousand, thirteen".