101255553646 has 16 divisors (see below), whose sum is σ = 173188232784. Its totient is φ = 43984312704.

The previous prime is 101255553643. The next prime is 101255553653. The reversal of 101255553646 is 646355552101.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101255553643) 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 7 ways as a sum of consecutive naturals, for example, 114542040 + ... + 114542923.

It is an arithmetic number, because the mean of its divisors is an integer number (10824264549).

Almost surely, 2^101255553646 is an apocalyptic number.

101255553646 is a deficient number, since it is larger than the sum of its proper divisors (71932679138).

101255553646 is a wasteful number, since it uses less digits than its factorization.

101255553646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229084995.

The product of its (nonzero) digits is 540000, while the sum is 43.

The spelling of 101255553646 in words is "one hundred one billion, two hundred fifty-five million, five hundred fifty-three thousand, six hundred forty-six".