11455161052 has 36 divisors (see below), whose sum is σ = 20593916280. Its totient is φ = 5575239040.

The previous prime is 11455161041. The next prime is 11455161059. The reversal of 11455161052 is 25016155411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11455161059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3420843 + ... + 3424189.

It is an arithmetic number, because the mean of its divisors is an integer number (572053230).

Almost surely, 2^11455161052 is an apocalyptic number.

It is an amenable number.

11455161052 is a deficient number, since it is larger than the sum of its proper divisors (9138755228).

11455161052 is a wasteful number, since it uses less digits than its factorization.

11455161052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3942 (or 3899 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 31.

The spelling of 11455161052 in words is "eleven billion, four hundred fifty-five million, one hundred sixty-one thousand, fifty-two".