11159014545 has 192 divisors, whose sum is σ = 24750336000. Its totient is φ = 4659814656.

The previous prime is 11159014543. The next prime is 11159014577. The reversal of 11159014545 is 54541095111.

It is a happy number.

11159014545 is a `hidden beast` number, since 1 + 1 + 1 + 590 + 14 + 54 + 5 = 666.

It is not a de Polignac number, because 11159014545 - 2¹ = 11159014543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11159014543) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 15099786 + ... + 15100524.

It is an arithmetic number, because the mean of its divisors is an integer number (128908000).

Almost surely, 2^11159014545 is an apocalyptic number.

11159014545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11159014545 is an abundant number, since it is smaller than the sum of its proper divisors (13591321455).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11159014545 is a wasteful number, since it uses less digits than its factorization.

11159014545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837 (or 802 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 36.

The spelling of 11159014545 in words is "eleven billion, one hundred fifty-nine million, fourteen thousand, five hundred forty-five".