11906233519245 has 32 divisors (see below), whose sum is σ = 20515540332672. Its totient is φ = 5861477743872.

The previous prime is 11906233519241. The next prime is 11906233519253. The reversal of 11906233519245 is 54291533260911.

It is a happy number.

It is not a de Polignac number, because 11906233519245 - 2² = 11906233519241 is a prime.

It is a super-2 number, since 2×11906233519245² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11906233519241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30151099 + ... + 30543431.

It is an arithmetic number, because the mean of its divisors is an integer number (641110635396).

Almost surely, 2^{11906233519245} is an apocalyptic number.

11906233519245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11906233519245 is a deficient number, since it is larger than the sum of its proper divisors (8609306813427).

11906233519245 is a wasteful number, since it uses less digits than its factorization.

11906233519245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547981.

The product of its (nonzero) digits is 1749600, while the sum is 51.

The spelling of 11906233519245 in words is "eleven trillion, nine hundred six billion, two hundred thirty-three million, five hundred nineteen thousand, two hundred forty-five".