245055120554021 has 8 divisors (see below), whose sum is σ = 259470596744064. Its totient is φ = 230639696486080.

The previous prime is 245055120554003. The next prime is 245055120554029. The reversal of 245055120554021 is 120455021550542.

245055120554021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 245055120554021 - 2³⁴ = 245037940684837 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 245055120554021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245055120554029) 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, 3136175 + ... + 22359468.

It is an arithmetic number, because the mean of its divisors is an integer number (32433824593008).

Almost surely, 2^{245055120554021} is an apocalyptic number.

It is an amenable number.

245055120554021 is a deficient number, since it is larger than the sum of its proper divisors (14415476190043).

245055120554021 is a wasteful number, since it uses less digits than its factorization.

245055120554021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26061051.

The product of its (nonzero) digits is 400000, while the sum is 41.

The spelling of 245055120554021 in words is "two hundred forty-five trillion, fifty-five billion, one hundred twenty million, five hundred fifty-four thousand, twenty-one".