11018858951 has 4 divisors (see below), whose sum is σ = 11076549504. Its totient is φ = 10961168400.

The previous prime is 11018858923. The next prime is 11018858959. The reversal of 11018858951 is 15985881011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15985881011 = 31 ⋅515673581.

It is a cyclic number.

It is not a de Polignac number, because 11018858951 - 2¹⁸ = 11018596807 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11018858896 and 11018858905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11018858959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28844990 + ... + 28845371.

It is an arithmetic number, because the mean of its divisors is an integer number (2769137376).

Almost surely, 2^11018858951 is an apocalyptic number.

11018858951 is a deficient number, since it is larger than the sum of its proper divisors (57690553).

11018858951 is an equidigital number, since it uses as much as digits as its factorization.

11018858951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57690552.

The product of its (nonzero) digits is 115200, while the sum is 47.

The spelling of 11018858951 in words is "eleven billion, eighteen million, eight hundred fifty-eight thousand, nine hundred fifty-one".