101144628550 has 48 divisors (see below), whose sum is σ = 215079492960. Its totient is φ = 34666076160.

The previous prime is 101144628521. The next prime is 101144628583. The reversal of 101144628550 is 55826441101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 986086 + ... + 1083814.

It is an arithmetic number, because the mean of its divisors is an integer number (4480822770).

Almost surely, 2^101144628550 is an apocalyptic number.

101144628550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101144628550 is an abundant number, since it is smaller than the sum of its proper divisors (113934864410).

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

101144628550 is a wasteful number, since it uses less digits than its factorization.

101144628550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100705 (or 100700 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 37.

The spelling of 101144628550 in words is "one hundred one billion, one hundred forty-four million, six hundred twenty-eight thousand, five hundred fifty".