1111100999957 has 8 divisors (see below), whose sum is σ = 1197213305400. Its totient is φ = 1025080551360.

The previous prime is 1111100999927. The next prime is 1111100999969. The reversal of 1111100999957 is 7599990011111.

It can be written as a sum of positive squares in 4 ways, for example, as 41798166916 + 1069302833041 = 204446^2 + 1034071^2 .

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 1111100999957 - 2⁶ = 1111100999893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1111100999899 and 1111100999908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111100999927) 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, 22939082 + ... + 22987467.

It is an arithmetic number, because the mean of its divisors is an integer number (149651663175).

Almost surely, 2^{1111100999957} is an apocalyptic number.

It is an amenable number.

1111100999957 is a deficient number, since it is larger than the sum of its proper divisors (86112305443).

1111100999957 is a wasteful number, since it uses less digits than its factorization.

1111100999957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45928423.

The product of its (nonzero) digits is 229635, while the sum is 53.

The spelling of 1111100999957 in words is "one trillion, one hundred eleven billion, one hundred million, nine hundred ninety-nine thousand, nine hundred fifty-seven".