1040561015 has 8 divisors (see below), whose sum is σ = 1344725088. Its totient is φ = 768414240.

The previous prime is 1040561003. The next prime is 1040561029. The reversal of 1040561015 is 5101650401.

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

It is not a de Polignac number, because 1040561015 - 2⁶ = 1040560951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8004251 + ... + 8004380.

It is an arithmetic number, because the mean of its divisors is an integer number (168090636).

Almost surely, 2^1040561015 is an apocalyptic number.

1040561015 is a deficient number, since it is larger than the sum of its proper divisors (304164073).

1040561015 is a wasteful number, since it uses less digits than its factorization.

1040561015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16008649.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 1040561015 is about 32257.7279888091. The cubic root of 1040561015 is about 1013.3415497973.

The spelling of 1040561015 in words is "one billion, forty million, five hundred sixty-one thousand, fifteen".