111451255101040 has 40 divisors (see below), whose sum is σ = 259387773753888. Its totient is φ = 44535150531840.

The previous prime is 111451255101037. The next prime is 111451255101143. The reversal of 111451255101040 is 40101552154111.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 111451255100993 and 111451255101011.

It is a congruent number.

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, 708538191 + ... + 708695470.

Almost surely, 2^{111451255101040} is an apocalyptic number.

111451255101040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111451255101040 is an abundant number, since it is smaller than the sum of its proper divisors (147936518652848).

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

111451255101040 is a wasteful number, since it uses less digits than its factorization.

111451255101040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1417234657 (or 1417234651 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 31.

The spelling of 111451255101040 in words is "one hundred eleven trillion, four hundred fifty-one billion, two hundred fifty-five million, one hundred one thousand, forty".