10345155025621 has 16 divisors (see below), whose sum is σ = 11461347870336. Its totient is φ = 9278233862976.

The previous prime is 10345155025609. The next prime is 10345155025627. The reversal of 10345155025621 is 12652055154301.

10345155025621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10345155025621 - 2¹⁷ = 10345154894549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10345155025627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72816115 + ... + 72958048.

It is an arithmetic number, because the mean of its divisors is an integer number (716334241896).

Almost surely, 2^{10345155025621} is an apocalyptic number.

It is an amenable number.

10345155025621 is a deficient number, since it is larger than the sum of its proper divisors (1116192844715).

10345155025621 is a wasteful number, since it uses less digits than its factorization.

10345155025621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145774332.

The product of its (nonzero) digits is 180000, while the sum is 40.

The spelling of 10345155025621 in words is "ten trillion, three hundred forty-five billion, one hundred fifty-five million, twenty-five thousand, six hundred twenty-one".