101263243653 has 96 divisors (see below), whose sum is σ = 176083794432. Its totient is φ = 55260057600.

The previous prime is 101263243637. The next prime is 101263243663. The reversal of 101263243653 is 356342362101.

101263243653 is a `hidden beast` number, since 1 + 0 + 12 + 632 + 4 + 3 + 6 + 5 + 3 = 666.

It is not a de Polignac number, because 101263243653 - 2⁴ = 101263243637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101263243603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 19172373 + ... + 19177653.

It is an arithmetic number, because the mean of its divisors is an integer number (1834206192).

Almost surely, 2^101263243653 is an apocalyptic number.

101263243653 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

101263243653 is a deficient number, since it is larger than the sum of its proper divisors (74820550779).

101263243653 is a wasteful number, since it uses less digits than its factorization.

101263243653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5675 (or 5672 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The spelling of 101263243653 in words is "one hundred one billion, two hundred sixty-three million, two hundred forty-three thousand, six hundred fifty-three".