1550444232101 has 24 divisors (see below), whose sum is σ = 1677115218240. Its totient is φ = 1432266808896.

The previous prime is 1550444232067. The next prime is 1550444232107. The reversal of 1550444232101 is 1012324440551.

It is a de Polignac number, because none of the positive numbers 2^k-1550444232101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1550444232107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1641560 + ... + 2407406.

It is an arithmetic number, because the mean of its divisors is an integer number (69879800760).

Almost surely, 2^{1550444232101} is an apocalyptic number.

It is an amenable number.

1550444232101 is a deficient number, since it is larger than the sum of its proper divisors (126670986139).

1550444232101 is an equidigital number, since it uses as much as digits as its factorization.

1550444232101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766025 (or 766002 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 1550444232101 its reverse (1012324440551), we get a palindrome (2562768672652).

The spelling of 1550444232101 in words is "one trillion, five hundred fifty billion, four hundred forty-four million, two hundred thirty-two thousand, one hundred one".