245411521523 has 8 divisors (see below), whose sum is σ = 282149774592. Its totient is φ = 209093134536.

The previous prime is 245411521423. The next prime is 245411521543. The reversal of 245411521523 is 325125114542.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 245411521523 - 2¹² = 245411517427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245411521543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104965265 + ... + 104967602.

It is an arithmetic number, because the mean of its divisors is an integer number (35268721824).

Almost surely, 2^245411521523 is an apocalyptic number.

245411521523 is a deficient number, since it is larger than the sum of its proper divisors (36738253069).

245411521523 is a wasteful number, since it uses less digits than its factorization.

245411521523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209933041.

The product of its digits is 48000, while the sum is 35.

The spelling of 245411521523 in words is "two hundred forty-five billion, four hundred eleven million, five hundred twenty-one thousand, five hundred twenty-three".