245311450355251 has 12 divisors (see below), whose sum is σ = 297769355889552. Its totient is φ = 201124915818288.

The previous prime is 245311450355227. The next prime is 245311450355263. The reversal of 245311450355251 is 152553054113542.

It is not a de Polignac number, because 245311450355251 - 2¹³ = 245311450347059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245311450353251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108833827780 + ... + 108833830033.

It is an arithmetic number, because the mean of its divisors is an integer number (24814112990796).

Almost surely, 2^{245311450355251} is an apocalyptic number.

245311450355251 is a deficient number, since it is larger than the sum of its proper divisors (52457905534301).

245311450355251 is a wasteful number, since it uses less digits than its factorization.

245311450355251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217667657850 (or 217667657843 counting only the distinct ones).

The product of its (nonzero) digits is 1800000, while the sum is 46.

The spelling of 245311450355251 in words is "two hundred forty-five trillion, three hundred eleven billion, four hundred fifty million, three hundred fifty-five thousand, two hundred fifty-one".