10851903901 has 2 divisors, whose sum is σ = 10851903902. Its totient is φ = 10851903900.

The previous prime is 10851903869. The next prime is 10851903929. The reversal of 10851903901 is 10930915801.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8260992100 + 2590911801 = 90890^2 + 50901^2 .

It is a cyclic number.

It is not a de Polignac number, because 10851903901 - 2⁵ = 10851903869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10851903971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5425951950 + 5425951951.

It is an arithmetic number, because the mean of its divisors is an integer number (5425951951).

Almost surely, 2^10851903901 is an apocalyptic number.

It is an amenable number.

10851903901 is a deficient number, since it is larger than the sum of its proper divisors (1).

10851903901 is an equidigital number, since it uses as much as digits as its factorization.

10851903901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 37.

The spelling of 10851903901 in words is "ten billion, eight hundred fifty-one million, nine hundred three thousand, nine hundred one".