11046189901 has 4 divisors (see below), whose sum is σ = 11344735612. Its totient is φ = 10747644192.

The previous prime is 11046189893. The next prime is 11046189911. The reversal of 11046189901 is 10998164011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10998164011 = 5923 ⋅1856857.

It can be written as a sum of positive squares in 2 ways, for example, as 8185544676 + 2860645225 = 90474^2 + 53485^2 .

It is a cyclic number.

It is not a de Polignac number, because 11046189901 - 2³ = 11046189893 is a prime.

It is a super-2 number, since 2×11046189901² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11046189911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149272800 + ... + 149272873.

It is an arithmetic number, because the mean of its divisors is an integer number (2836183903).

Almost surely, 2^11046189901 is an apocalyptic number.

It is an amenable number.

11046189901 is a deficient number, since it is larger than the sum of its proper divisors (298545711).

11046189901 is an equidigital number, since it uses as much as digits as its factorization.

11046189901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298545710.

The product of its (nonzero) digits is 15552, while the sum is 40.

The spelling of 11046189901 in words is "eleven billion, forty-six million, one hundred eighty-nine thousand, nine hundred one".