16115057 has 4 divisors (see below), whose sum is σ = 18417216. Its totient is φ = 13812900.

The previous prime is 16115023. The next prime is 16115063. The reversal of 16115057 is 75051161.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75051161 = 1249 ⋅60089.

It is a cyclic number.

It is not a de Polignac number, because 16115057 - 2⁶ = 16114993 is a prime.

It is a super-2 number, since 2×16115057² = 519390124226498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16115357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1151069 + ... + 1151082.

It is an arithmetic number, because the mean of its divisors is an integer number (4604304).

Almost surely, 2^16115057 is an apocalyptic number.

It is an amenable number.

16115057 is a deficient number, since it is larger than the sum of its proper divisors (2302159).

16115057 is an equidigital number, since it uses as much as digits as its factorization.

16115057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2302158.

The product of its (nonzero) digits is 1050, while the sum is 26.

The square root of 16115057 is about 4014.3563618593. The cubic root of 16115057 is about 252.5867793086.

The spelling of 16115057 in words is "sixteen million, one hundred fifteen thousand, fifty-seven".