111478620039 has 16 divisors (see below), whose sum is σ = 150768034560. Its totient is φ = 73254648320.

The previous prime is 111478620031. The next prime is 111478620061. The reversal of 111478620039 is 930026874111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 111478620039 - 2³ = 111478620031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111478620031) 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, 852544 + ... + 974570.

It is an arithmetic number, because the mean of its divisors is an integer number (9423002160).

Almost surely, 2^111478620039 is an apocalyptic number.

111478620039 is a deficient number, since it is larger than the sum of its proper divisors (39289414521).

111478620039 is a wasteful number, since it uses less digits than its factorization.

111478620039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126390.

The product of its (nonzero) digits is 72576, while the sum is 42.

The spelling of 111478620039 in words is "one hundred eleven billion, four hundred seventy-eight million, six hundred twenty thousand, thirty-nine".