245553505155320 has 64 divisors (see below), whose sum is σ = 558243113228640. Its totient is φ = 97200551232000.

The previous prime is 245553505155319. The next prime is 245553505155359. The reversal of 245553505155320 is 23551505355542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6987587 + ... + 23236466.

Almost surely, 2^{245553505155320} is an apocalyptic number.

245553505155320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245553505155320 is an abundant number, since it is smaller than the sum of its proper divisors (312689608073320).

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

245553505155320 is a wasteful number, since it uses less digits than its factorization.

245553505155320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30226176 (or 30226172 counting only the distinct ones).

The product of its (nonzero) digits is 11250000, while the sum is 50.

The spelling of 245553505155320 in words is "two hundred forty-five trillion, five hundred fifty-three billion, five hundred five million, one hundred fifty-five thousand, three hundred twenty".