111402351437450 has 12 divisors (see below), whose sum is σ = 207208373673750. Its totient is φ = 44560940574960.

The previous prime is 111402351437413. The next prime is 111402351437453. The reversal of 111402351437450 is 54734153204111.

It can be written as a sum of positive squares in 3 ways, for example, as 106870046813209 + 4532304624241 = 10337797^2 + 2128921^2 .

It is a junction number, because it is equal to n+sod(n) for n = 111402351437398 and 111402351437407.

It is not an unprimeable number, because it can be changed into a prime (111402351437453) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1114023514325 + ... + 1114023514424.

Almost surely, 2^{111402351437450} is an apocalyptic number.

111402351437450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111402351437450 is a deficient number, since it is larger than the sum of its proper divisors (95806022236300).

111402351437450 is a wasteful number, since it uses less digits than its factorization.

111402351437450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2228047028761 (or 2228047028756 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 41.

The spelling of 111402351437450 in words is "one hundred eleven trillion, four hundred two billion, three hundred fifty-one million, four hundred thirty-seven thousand, four hundred fifty".