11775455407 has 8 divisors (see below), whose sum is σ = 11794929120. Its totient is φ = 11755999200.

The previous prime is 11775455381. The next prime is 11775455437. The reversal of 11775455407 is 70455457711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11775455407 is a prime.

It is a super-2 number, since 2×11775455407² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11775455437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2062657 + ... + 2068357.

It is an arithmetic number, because the mean of its divisors is an integer number (1474366140).

Almost surely, 2^11775455407 is an apocalyptic number.

11775455407 is a deficient number, since it is larger than the sum of its proper divisors (19473713).

11775455407 is a wasteful number, since it uses less digits than its factorization.

11775455407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8753.

The product of its (nonzero) digits is 686000, while the sum is 46.

The spelling of 11775455407 in words is "eleven billion, seven hundred seventy-five million, four hundred fifty-five thousand, four hundred seven".