11160020553 has 32 divisors (see below), whose sum is σ = 16922456064. Its totient is φ = 6480600000.

The previous prime is 11160020533. The next prime is 11160020561. The reversal of 11160020553 is 35502006111.

It is not a de Polignac number, because 11160020553 - 2¹² = 11160016457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11160020503) 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, 49318 + ... + 157328.

It is an arithmetic number, because the mean of its divisors is an integer number (528826752).

Almost surely, 2^11160020553 is an apocalyptic number.

It is an amenable number.

11160020553 is a deficient number, since it is larger than the sum of its proper divisors (5762435511).

11160020553 is a wasteful number, since it uses less digits than its factorization.

11160020553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108157.

The product of its (nonzero) digits is 900, while the sum is 24.

Adding to 11160020553 its reverse (35502006111), we get a palindrome (46662026664).

The spelling of 11160020553 in words is "eleven billion, one hundred sixty million, twenty thousand, five hundred fifty-three".