113445777890 has 16 divisors (see below), whose sum is σ = 205094117880. Its totient is φ = 45180151680.

The previous prime is 113445777869. The next prime is 113445777941. The reversal of 113445777890 is 98777544311.

It can be written as a sum of positive squares in 4 ways, for example, as 91900528801 + 21545249089 = 303151^2 + 146783^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24767531 + ... + 24772110.

Almost surely, 2^113445777890 is an apocalyptic number.

113445777890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113445777890 is a deficient number, since it is larger than the sum of its proper divisors (91648339990).

113445777890 is a wasteful number, since it uses less digits than its factorization.

113445777890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49539877.

The product of its (nonzero) digits is 5927040, while the sum is 56.

The spelling of 113445777890 in words is "one hundred thirteen billion, four hundred forty-five million, seven hundred seventy-seven thousand, eight hundred ninety".