11870066451 has 32 divisors (see below), whose sum is σ = 17165288448. Its totient is φ = 7267115520.

The previous prime is 11870066447. The next prime is 11870066471. The reversal of 11870066451 is 15466007811.

It is not a de Polignac number, because 11870066451 - 2² = 11870066447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11870066471) 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, 2697385 + ... + 2701781.

It is an arithmetic number, because the mean of its divisors is an integer number (536415264).

Almost surely, 2^11870066451 is an apocalyptic number.

11870066451 is a deficient number, since it is larger than the sum of its proper divisors (5295221997).

11870066451 is a wasteful number, since it uses less digits than its factorization.

11870066451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5691.

The product of its (nonzero) digits is 40320, while the sum is 39.

The spelling of 11870066451 in words is "eleven billion, eight hundred seventy million, sixty-six thousand, four hundred fifty-one".