7158379515 has 32 divisors (see below), whose sum is σ = 13094161920. Its totient is φ = 3271263744.

The previous prime is 7158379507. The next prime is 7158379531. The reversal of 7158379515 is 5159738517.

It is a happy number.

It is not a de Polignac number, because 7158379515 - 2³ = 7158379507 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 341251 + ... + 361619.

It is an arithmetic number, because the mean of its divisors is an integer number (409192560).

Almost surely, 2^7158379515 is an apocalyptic number.

7158379515 is a deficient number, since it is larger than the sum of its proper divisors (5935782405).

7158379515 is a wasteful number, since it uses less digits than its factorization.

7158379515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23731.

The product of its digits is 1323000, while the sum is 51.

The square root of 7158379515 is about 84607.2072284625. The cubic root of 7158379515 is about 1927.2508232988.

The spelling of 7158379515 in words is "seven billion, one hundred fifty-eight million, three hundred seventy-nine thousand, five hundred fifteen".