101000955550 has 24 divisors (see below), whose sum is σ = 204940121832. Its totient is φ = 36727620000.

The previous prime is 101000955541. The next prime is 101000955551. The reversal of 101000955550 is 55559000101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101000955551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91818501 + ... + 91819600.

It is an arithmetic number, because the mean of its divisors is an integer number (8539171743).

Almost surely, 2^101000955550 is an apocalyptic number.

101000955550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101000955550 is an abundant number, since it is smaller than the sum of its proper divisors (103939166282).

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

101000955550 is a wasteful number, since it uses less digits than its factorization.

101000955550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183638124 (or 183638119 counting only the distinct ones).

The product of its (nonzero) digits is 5625, while the sum is 31.

Adding to 101000955550 its reverse (55559000101), we get a palindrome (156559955651).

The spelling of 101000955550 in words is "one hundred one billion, nine hundred fifty-five thousand, five hundred fifty".