245135245512 has 16 divisors (see below), whose sum is σ = 612838113840. Its totient is φ = 81711748496.

The previous prime is 245135245477. The next prime is 245135245541. The reversal of 245135245512 is 215542531542.

It is a super-2 number, since 2×245135245512² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5106984258 + ... + 5106984305.

It is an arithmetic number, because the mean of its divisors is an integer number (38302382115).

Almost surely, 2^245135245512 is an apocalyptic number.

It is an amenable number.

245135245512 is an abundant number, since it is smaller than the sum of its proper divisors (367702868328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245135245512 is a wasteful number, since it uses less digits than its factorization.

245135245512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10213968572 (or 10213968568 counting only the distinct ones).

The product of its digits is 240000, while the sum is 39.

The spelling of 245135245512 in words is "two hundred forty-five billion, one hundred thirty-five million, two hundred forty-five thousand, five hundred twelve".