245355225515531 has 8 divisors (see below), whose sum is σ = 259789466938320. Its totient is φ = 230921159770368.

The previous prime is 245355225515527. The next prime is 245355225515537. The reversal of 245355225515531 is 135515522553542.

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 245355225515531 - 2² = 245355225515527 is a prime.

It is a super-2 number, since 2×245355225515531² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245355225515537) 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, 41038601 + ... + 46635578.

It is an arithmetic number, because the mean of its divisors is an integer number (32473683367290).

Almost surely, 2^{245355225515531} is an apocalyptic number.

245355225515531 is a deficient number, since it is larger than the sum of its proper divisors (14434241422789).

245355225515531 is a wasteful number, since it uses less digits than its factorization.

245355225515531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87838813.

The product of its digits is 22500000, while the sum is 53.

The spelling of 245355225515531 in words is "two hundred forty-five trillion, three hundred fifty-five billion, two hundred twenty-five million, five hundred fifteen thousand, five hundred thirty-one".