111371657154312 has 256 divisors, whose sum is σ = 290614029189120. Its totient is φ = 35528519116800.

The previous prime is 111371657154311. The next prime is 111371657154341. The reversal of 111371657154312 is 213451756173111.

It is not an unprimeable number, because it can be changed into a prime (111371657154311) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 41051107068 + ... + 41051109780.

It is an arithmetic number, because the mean of its divisors is an integer number (1135211051520).

Almost surely, 2^{111371657154312} is an apocalyptic number.

111371657154312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111371657154312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145307014594560).

111371657154312 is an abundant number, since it is smaller than the sum of its proper divisors (179242372034808).

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

111371657154312 is a wasteful number, since it uses less digits than its factorization.

111371657154312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4524 (or 4520 counting only the distinct ones).

The product of its digits is 529200, while the sum is 48.

The spelling of 111371657154312 in words is "one hundred eleven trillion, three hundred seventy-one billion, six hundred fifty-seven million, one hundred fifty-four thousand, three hundred twelve".