10518780201 has 16 divisors (see below), whose sum is σ = 14204433600. Its totient is φ = 6923179008.

The previous prime is 10518780197. The next prime is 10518780227. The reversal of 10518780201 is 10208781501.

It is not a de Polignac number, because 10518780201 - 2² = 10518780197 is a prime.

It is a super-2 number, since 2×10518780201² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10518780301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74830 + ... + 163208.

It is an arithmetic number, because the mean of its divisors is an integer number (887777100).

Almost surely, 2^10518780201 is an apocalyptic number.

It is an amenable number.

10518780201 is a deficient number, since it is larger than the sum of its proper divisors (3685653399).

10518780201 is an equidigital number, since it uses as much as digits as its factorization.

10518780201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88888.

The product of its (nonzero) digits is 4480, while the sum is 33.

The spelling of 10518780201 in words is "ten billion, five hundred eighteen million, seven hundred eighty thousand, two hundred one".