11361642099 has 4 divisors (see below), whose sum is σ = 15148856136. Its totient is φ = 7574428064.

The previous prime is 11361642091. The next prime is 11361642137. The reversal of 11361642099 is 99024616311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11361642099 - 2³ = 11361642091 is a prime.

It is a super-2 number, since 2×11361642099² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11361642099.

It is not an unprimeable number, because it can be changed into a prime (11361642091) 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, 1893607014 + ... + 1893607019.

It is an arithmetic number, because the mean of its divisors is an integer number (3787214034).

Almost surely, 2^11361642099 is an apocalyptic number.

11361642099 is a deficient number, since it is larger than the sum of its proper divisors (3787214037).

11361642099 is an equidigital number, since it uses as much as digits as its factorization.

11361642099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3787214036.

The product of its (nonzero) digits is 69984, while the sum is 42.

The spelling of 11361642099 in words is "eleven billion, three hundred sixty-one million, six hundred forty-two thousand, ninety-nine".