500121157125345 has 64 divisors (see below), whose sum is σ = 924805028021760. Its totient is φ = 226052496857088.

The previous prime is 500121157125313. The next prime is 500121157125347. The reversal of 500121157125345 is 543521751121005.

It is not a de Polignac number, because 500121157125345 - 2⁵ = 500121157125313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 500121157125297 and 500121157125306.

It is not an unprimeable number, because it can be changed into a prime (500121157125347) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 398189559 + ... + 399443571.

It is an arithmetic number, because the mean of its divisors is an integer number (14450078562840).

Almost surely, 2^{500121157125345} is an apocalyptic number.

It is an amenable number.

500121157125345 is a deficient number, since it is larger than the sum of its proper divisors (424683870896415).

500121157125345 is a wasteful number, since it uses less digits than its factorization.

500121157125345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296794.

The product of its (nonzero) digits is 210000, while the sum is 42.

The spelling of 500121157125345 in words is "five hundred trillion, one hundred twenty-one billion, one hundred fifty-seven million, one hundred twenty-five thousand, three hundred forty-five".