101553520245 has 16 divisors (see below), whose sum is σ = 172043611200. Its totient is φ = 50975884544.

The previous prime is 101553520231. The next prime is 101553520297. The reversal of 101553520245 is 542025355101.

It is a cyclic number.

It is not a de Polignac number, because 101553520245 - 2⁶ = 101553520181 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199124295 + ... + 199124804.

It is an arithmetic number, because the mean of its divisors is an integer number (10752725700).

Almost surely, 2^101553520245 is an apocalyptic number.

101553520245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

101553520245 is a deficient number, since it is larger than the sum of its proper divisors (70490090955).

101553520245 is a wasteful number, since it uses less digits than its factorization.

101553520245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398249124.

The product of its (nonzero) digits is 30000, while the sum is 33.

Adding to 101553520245 its reverse (542025355101), we get a palindrome (643578875346).

The spelling of 101553520245 in words is "one hundred one billion, five hundred fifty-three million, five hundred twenty thousand, two hundred forty-five".