11145553407 has 12 divisors (see below), whose sum is σ = 16110186040. Its totient is φ = 7425267408.

The previous prime is 11145553399. The next prime is 11145553421. The reversal of 11145553407 is 70435554111.

11145553407 is a `hidden beast` number, since 1 + 114 + 5 + 5 + 534 + 0 + 7 = 666.

It is not a de Polignac number, because 11145553407 - 2³ = 11145553399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11145553427) 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, 411268 + ... + 437529.

Almost surely, 2^11145553407 is an apocalyptic number.

11145553407 is a deficient number, since it is larger than the sum of its proper divisors (4964632633).

11145553407 is a wasteful number, since it uses less digits than its factorization.

11145553407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850262 (or 850259 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 36.

The spelling of 11145553407 in words is "eleven billion, one hundred forty-five million, five hundred fifty-three thousand, four hundred seven".