10191018458401 has 4 divisors (see below), whose sum is σ = 11117474681904. Its totient is φ = 9264562234900.

The previous prime is 10191018458381. The next prime is 10191018458407. The reversal of 10191018458401 is 10485481019101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10191018458401 - 2¹⁵ = 10191018425633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10191018458407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 463228111735 + ... + 463228111756.

It is an arithmetic number, because the mean of its divisors is an integer number (2779368670476).

Almost surely, 2^{10191018458401} is an apocalyptic number.

10191018458401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10191018458401 is a deficient number, since it is larger than the sum of its proper divisors (926456223503).

10191018458401 is an equidigital number, since it uses as much as digits as its factorization.

10191018458401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926456223502.

The product of its (nonzero) digits is 46080, while the sum is 43.

The spelling of 10191018458401 in words is "ten trillion, one hundred ninety-one billion, eighteen million, four hundred fifty-eight thousand, four hundred one".