111426703551 has 12 divisors (see below), whose sum is σ = 160957901520. Its totient is φ = 74280675840.

The previous prime is 111426703529. The next prime is 111426703559. The reversal of 111426703551 is 155307624111.

111426703551 is a `hidden beast` number, since 1 + 1 + 1 + 42 + 67 + 0 + 3 + 551 = 666.

It is not a de Polignac number, because 111426703551 - 2⁵ = 111426703519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111426703559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123906 + ... + 488063.

It is an arithmetic number, because the mean of its divisors is an integer number (13413158460).

Almost surely, 2^111426703551 is an apocalyptic number.

111426703551 is a deficient number, since it is larger than the sum of its proper divisors (49531197969).

111426703551 is a wasteful number, since it uses less digits than its factorization.

111426703551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632206 (or 632203 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The spelling of 111426703551 in words is "one hundred eleven billion, four hundred twenty-six million, seven hundred three thousand, five hundred fifty-one".