111112513451257 has 8 divisors (see below), whose sum is σ = 112224461372352. Its totient is φ = 110000797374000.

The previous prime is 111112513451243. The next prime is 111112513451273. The reversal of 111112513451257 is 752154315211111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111112513451257 - 2⁷ = 111112513451129 is a prime.

It is a super-2 number, since 2×111112513451257² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111112513451237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56997573 + ... + 58914754.

It is an arithmetic number, because the mean of its divisors is an integer number (14028057671544).

Almost surely, 2^{111112513451257} is an apocalyptic number.

It is an amenable number.

111112513451257 is a deficient number, since it is larger than the sum of its proper divisors (1111947921095).

111112513451257 is a wasteful number, since it uses less digits than its factorization.

111112513451257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115921919.

The product of its digits is 42000, while the sum is 40.

Adding to 111112513451257 its reverse (752154315211111), we get a palindrome (863266828662368).

The spelling of 111112513451257 in words is "one hundred eleven trillion, one hundred twelve billion, five hundred thirteen million, four hundred fifty-one thousand, two hundred fifty-seven".