1061025515 has 16 divisors (see below), whose sum is σ = 1404591840. Its totient is φ = 762981120.

The previous prime is 1061025457. The next prime is 1061025529. The reversal of 1061025515 is 5155201601.

It is not a de Polignac number, because 1061025515 - 2⁶ = 1061025451 is a prime.

It is a super-2 number, since 2×1061025515² = 2251550286962030450, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103484 + ... + 113273.

It is an arithmetic number, because the mean of its divisors is an integer number (87786990).

Almost surely, 2^1061025515 is an apocalyptic number.

1061025515 is a deficient number, since it is larger than the sum of its proper divisors (343566325).

1061025515 is a wasteful number, since it uses less digits than its factorization.

1061025515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216862.

The product of its (nonzero) digits is 1500, while the sum is 26.

The square root of 1061025515 is about 32573.3866062465. The cubic root of 1061025515 is about 1019.9415303534.

The spelling of 1061025515 in words is "one billion, sixty-one million, twenty-five thousand, five hundred fifteen".