111002453450 has 48 divisors (see below), whose sum is σ = 237372557184. Its totient is φ = 37830072000.

The previous prime is 111002453437. The next prime is 111002453473. The reversal of 111002453450 is 54354200111.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 891101 + ... + 1008000.

It is an arithmetic number, because the mean of its divisors is an integer number (4945261608).

Almost surely, 2^111002453450 is an apocalyptic number.

111002453450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111002453450 is an abundant number, since it is smaller than the sum of its proper divisors (126370103734).

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

111002453450 is a wasteful number, since it uses less digits than its factorization.

111002453450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1899287 (or 1899282 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 111002453450 its reverse (54354200111), we get a palindrome (165356653561).

The spelling of 111002453450 in words is "one hundred eleven billion, two million, four hundred fifty-three thousand, four hundred fifty".