11992930245 has 48 divisors (see below), whose sum is σ = 23169032640. Its totient is φ = 5703132672.

The previous prime is 11992930237. The next prime is 11992930249. The reversal of 11992930245 is 54203929911.

11992930245 is a `hidden beast` number, since 119 + 9 + 293 + 0 + 245 = 666.

It is not a de Polignac number, because 11992930245 - 2³ = 11992930237 is a prime.

It is a super-2 number, since 2×11992930245² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 11992930245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11992930249) 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 47 ways as a sum of consecutive naturals, for example, 398019 + ... + 427088.

It is an arithmetic number, because the mean of its divisors is an integer number (482688180).

Almost surely, 2^11992930245 is an apocalyptic number.

11992930245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11992930245 is a deficient number, since it is larger than the sum of its proper divisors (11176102395).

11992930245 is a wasteful number, since it uses less digits than its factorization.

11992930245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825154 (or 825151 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The spelling of 11992930245 in words is "eleven billion, nine hundred ninety-two million, nine hundred thirty thousand, two hundred forty-five".