4351225521345 has 24 divisors (see below), whose sum is σ = 7015511673408. Its totient is φ = 2302938562080.

The previous prime is 4351225521323. The next prime is 4351225521347. The reversal of 4351225521345 is 5431255221534.

It is not a de Polignac number, because 4351225521345 - 2¹⁰ = 4351225520321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4351225521297 and 4351225521306.

It is not an unprimeable number, because it can be changed into a prime (4351225521347) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8194357 + ... + 8709186.

It is an arithmetic number, because the mean of its divisors is an integer number (292312986392).

Almost surely, 2^{4351225521345} is an apocalyptic number.

It is an amenable number.

4351225521345 is a deficient number, since it is larger than the sum of its proper divisors (2664286152063).

4351225521345 is a wasteful number, since it uses less digits than its factorization.

4351225521345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16903813 (or 16903682 counting only the distinct ones).

The product of its digits is 720000, while the sum is 42.

The spelling of 4351225521345 in words is "four trillion, three hundred fifty-one billion, two hundred twenty-five million, five hundred twenty-one thousand, three hundred forty-five".