961155115 has 8 divisors (see below), whose sum is σ = 1161684720. Its totient is φ = 763391712.

The previous prime is 961155103. The next prime is 961155137. The reversal of 961155115 is 511551169.

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

It is a cyclic number.

It is not a de Polignac number, because 961155115 - 2⁹ = 961154603 is a prime.

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, 690784 + ... + 692173.

It is an arithmetic number, because the mean of its divisors is an integer number (145210590).

Almost surely, 2^961155115 is an apocalyptic number.

961155115 is a deficient number, since it is larger than the sum of its proper divisors (200529605).

961155115 is a wasteful number, since it uses less digits than its factorization.

961155115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383101.

The product of its digits is 6750, while the sum is 34.

The square root of 961155115 is about 31002.5017538908. The cubic root of 961155115 is about 986.8803320570.

The spelling of 961155115 in words is "nine hundred sixty-one million, one hundred fifty-five thousand, one hundred fifteen".