1115214057 has 24 divisors (see below), whose sum is σ = 1665301248. Its totient is φ = 718423200.

The previous prime is 1115214043. The next prime is 1115214071. The reversal of 1115214057 is 7504125111.

It is an interprime number because it is at equal distance from previous prime (1115214043) and next prime (1115214071).

It is not a de Polignac number, because 1115214057 - 2¹⁶ = 1115148521 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1115214057.

It is not an unprimeable number, because it can be changed into a prime (1115214157) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 213082 + ... + 218252.

It is an arithmetic number, because the mean of its divisors is an integer number (69387552).

Almost surely, 2^1115214057 is an apocalyptic number.

It is an amenable number.

1115214057 is a deficient number, since it is larger than the sum of its proper divisors (550087191).

1115214057 is a wasteful number, since it uses less digits than its factorization.

1115214057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5981 (or 5978 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 27.

The square root of 1115214057 is about 33394.8208110180. The cubic root of 1115214057 is about 1037.0174833163.

Adding to 1115214057 its reverse (7504125111), we get a palindrome (8619339168).

The spelling of 1115214057 in words is "one billion, one hundred fifteen million, two hundred fourteen thousand, fifty-seven".