45553111000 has 64 divisors (see below), whose sum is σ = 106668900000. Its totient is φ = 18208489600.

The previous prime is 45553110979. The next prime is 45553111003. The reversal of 45553111000 is 11135554.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45553111003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1483806 + ... + 1514194.

Almost surely, 2^45553111000 is an apocalyptic number.

45553111000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45553111000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53334450000).

45553111000 is an abundant number, since it is smaller than the sum of its proper divisors (61115789000).

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

45553111000 is a wasteful number, since it uses less digits than its factorization.

45553111000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31909 (or 31895 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

Adding to 45553111000 its reverse (11135554), we get a palindrome (45564246554).

The spelling of 45553111000 in words is "forty-five billion, five hundred fifty-three million, one hundred eleven thousand".