111551034423552 has 72 divisors (see below), whose sum is σ = 297141966653280. Its totient is φ = 37151924060160.

The previous prime is 111551034423469. The next prime is 111551034423571. The reversal of 111551034423552 is 255324430155111.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61119777 + ... + 62918432.

Almost surely, 2^{111551034423552} is an apocalyptic number.

111551034423552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111551034423552 is an abundant number, since it is smaller than the sum of its proper divisors (185590932229728).

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

111551034423552 is a wasteful number, since it uses less digits than its factorization.

111551034423552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124039399 (or 124039385 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 42.

Adding to 111551034423552 its reverse (255324430155111), we get a palindrome (366875464578663).

The spelling of 111551034423552 in words is "one hundred eleven trillion, five hundred fifty-one billion, thirty-four million, four hundred twenty-three thousand, five hundred fifty-two".