103444301503551 has 32 divisors (see below), whose sum is σ = 138647451202560. Its totient is φ = 68602826880000.

The previous prime is 103444301503547. The next prime is 103444301503553. The reversal of 103444301503551 is 155305103444301.

It is not a de Polignac number, because 103444301503551 - 2² = 103444301503547 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103444301503553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4206237511 + ... + 4206262103.

It is an arithmetic number, because the mean of its divisors is an integer number (4332732850080).

Almost surely, 2^{103444301503551} is an apocalyptic number.

103444301503551 is a deficient number, since it is larger than the sum of its proper divisors (35203149699009).

103444301503551 is a wasteful number, since it uses less digits than its factorization.

103444301503551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32607.

The product of its (nonzero) digits is 216000, while the sum is 39.

Adding to 103444301503551 its reverse (155305103444301), we get a palindrome (258749404947852).

The spelling of 103444301503551 in words is "one hundred three trillion, four hundred forty-four billion, three hundred one million, five hundred three thousand, five hundred fifty-one".