1055616515 has 8 divisors (see below), whose sum is σ = 1268577168. Its totient is φ = 843268320.

The previous prime is 1055616509. The next prime is 1055616517. The reversal of 1055616515 is 5156165501.

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

It is not a de Polignac number, because 1055616515 - 2¹² = 1055612419 is a prime.

It is a super-2 number, since 2×1055616515² = 2228652453481490450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1055616517) 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, 149312 + ... + 156221.

It is an arithmetic number, because the mean of its divisors is an integer number (158572146).

Almost surely, 2^1055616515 is an apocalyptic number.

1055616515 is a deficient number, since it is larger than the sum of its proper divisors (212960653).

1055616515 is an equidigital number, since it uses as much as digits as its factorization.

1055616515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306229.

The product of its (nonzero) digits is 22500, while the sum is 35.

The square root of 1055616515 is about 32490.2526152075. The cubic root of 1055616515 is about 1018.2053907714.

The spelling of 1055616515 in words is "one billion, fifty-five million, six hundred sixteen thousand, five hundred fifteen".