11899345607 has 4 divisors (see below), whose sum is σ = 12066942096. Its totient is φ = 11731749120.

The previous prime is 11899345597. The next prime is 11899345609. The reversal of 11899345607 is 70654399811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70654399811 = 43 ⋅1643125577.

It is a cyclic number.

It is not a de Polignac number, because 11899345607 - 2⁶ = 11899345543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11899345609) 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, 83798138 + ... + 83798279.

It is an arithmetic number, because the mean of its divisors is an integer number (3016735524).

Almost surely, 2^11899345607 is an apocalyptic number.

11899345607 is a deficient number, since it is larger than the sum of its proper divisors (167596489).

11899345607 is an equidigital number, since it uses as much as digits as its factorization.

11899345607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167596488.

The product of its (nonzero) digits is 1632960, while the sum is 53.

The spelling of 11899345607 in words is "eleven billion, eight hundred ninety-nine million, three hundred forty-five thousand, six hundred seven".