11899464623 has 8 divisors (see below), whose sum is σ = 11957414400. Its totient is φ = 11841563800.

The previous prime is 11899464613. The next prime is 11899464641. The reversal of 11899464623 is 32646499811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11899464623 - 2²² = 11895270319 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 (11899464613) 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 7 ways as a sum of consecutive naturals, for example, 533648 + ... + 555498.

It is an arithmetic number, because the mean of its divisors is an integer number (1494676800).

Almost surely, 2^11899464623 is an apocalyptic number.

11899464623 is a deficient number, since it is larger than the sum of its proper divisors (57949777).

11899464623 is a wasteful number, since it uses less digits than its factorization.

11899464623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24477.

The product of its digits is 2239488, while the sum is 53.

The spelling of 11899464623 in words is "eleven billion, eight hundred ninety-nine million, four hundred sixty-four thousand, six hundred twenty-three".