11934728451 has 12 divisors (see below), whose sum is σ = 17988576528. Its totient is φ = 7610551344.

The previous prime is 11934728441. The next prime is 11934728479. The reversal of 11934728451 is 15482743911.

11934728451 is a `hidden beast` number, since 1 + 193 + 4 + 7 + 2 + 8 + 451 = 666.

It is not a de Polignac number, because 11934728451 - 2⁶ = 11934728387 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11934728397 and 11934728406.

It is not an unprimeable number, because it can be changed into a prime (11934728401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28827640 + ... + 28828053.

It is an arithmetic number, because the mean of its divisors is an integer number (1499048044).

Almost surely, 2^11934728451 is an apocalyptic number.

11934728451 is a deficient number, since it is larger than the sum of its proper divisors (6053848077).

11934728451 is a wasteful number, since it uses less digits than its factorization.

11934728451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57655722 (or 57655719 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The spelling of 11934728451 in words is "eleven billion, nine hundred thirty-four million, seven hundred twenty-eight thousand, four hundred fifty-one".