11853651234 has 32 divisors (see below), whose sum is σ = 25117537536. Its totient is φ = 3716468480.

The previous prime is 11853651233. The next prime is 11853651253. The reversal of 11853651234 is 43215635811.

It is a junction number, because it is equal to n+sod(n) for n = 11853651192 and 11853651201.

It is not an unprimeable number, because it can be changed into a prime (11853651233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131479 + ... + 202469.

It is an arithmetic number, because the mean of its divisors is an integer number (784923048).

Almost surely, 2^11853651234 is an apocalyptic number.

11853651234 is an abundant number, since it is smaller than the sum of its proper divisors (13263886302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11853651234 is a wasteful number, since it uses less digits than its factorization.

11853651234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72650.

The product of its digits is 86400, while the sum is 39.

The spelling of 11853651234 in words is "eleven billion, eight hundred fifty-three million, six hundred fifty-one thousand, two hundred thirty-four".