111153422553 has 8 divisors (see below), whose sum is σ = 148218224928. Its totient is φ = 74095450944.

The previous prime is 111153422551. The next prime is 111153422593. The reversal of 111153422553 is 355224351111.

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

It is not a de Polignac number, because 111153422553 - 2¹ = 111153422551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111153422551) 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, 1669600 + ... + 1734897.

It is an arithmetic number, because the mean of its divisors is an integer number (18527278116).

Almost surely, 2^111153422553 is an apocalyptic number.

It is an amenable number.

111153422553 is a deficient number, since it is larger than the sum of its proper divisors (37064802375).

111153422553 is a wasteful number, since it uses less digits than its factorization.

111153422553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3415383.

The product of its digits is 18000, while the sum is 33.

Adding to 111153422553 its reverse (355224351111), we get a palindrome (466377773664).

The spelling of 111153422553 in words is "one hundred eleven billion, one hundred fifty-three million, four hundred twenty-two thousand, five hundred fifty-three".