105120503540503 has 8 divisors (see below), whose sum is σ = 114692083954560. Its totient is φ = 95551451626680.

The previous prime is 105120503540491. The next prime is 105120503540509. The reversal of 105120503540503 is 305045305021501.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105120503540503 is a prime.

It is a super-2 number, since 2×105120503540503² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105120503540509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 632038125 + ... + 632204422.

It is an arithmetic number, because the mean of its divisors is an integer number (14336510494320).

Almost surely, 2^{105120503540503} is an apocalyptic number.

105120503540503 is a deficient number, since it is larger than the sum of its proper divisors (9571580414057).

105120503540503 is a wasteful number, since it uses less digits than its factorization.

105120503540503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264250117.

The product of its (nonzero) digits is 45000, while the sum is 34.

The spelling of 105120503540503 in words is "one hundred five trillion, one hundred twenty billion, five hundred three million, five hundred forty thousand, five hundred three".