1351637644103 has 8 divisors (see below), whose sum is σ = 1355585280000. Its totient is φ = 1347690310200.

The previous prime is 1351637644099. The next prime is 1351637644177. The reversal of 1351637644103 is 3014467361531.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1351637644103 - 2² = 1351637644099 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 (1351637646103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11444648 + ... + 11562146.

It is an arithmetic number, because the mean of its divisors is an integer number (169448160000).

Almost surely, 2^{1351637644103} is an apocalyptic number.

1351637644103 is a deficient number, since it is larger than the sum of its proper divisors (3947635897).

1351637644103 is a wasteful number, since it uses less digits than its factorization.

1351637644103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150997.

The product of its (nonzero) digits is 544320, while the sum is 44.

The spelling of 1351637644103 in words is "one trillion, three hundred fifty-one billion, six hundred thirty-seven million, six hundred forty-four thousand, one hundred three".