961551119 has 2 divisors, whose sum is σ = 961551120. Its totient is φ = 961551118.

The previous prime is 961551047. The next prime is 961551121. The reversal of 961551119 is 911155169.

It is a strong prime.

It is an emirp because it is prime and its reverse (911155169) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 961551119 - 2¹² = 961547023 is a prime.

It is a super-2 number, since 2×961551119² = 1849161108900304322, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 961551121, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (961551139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 480775559 + 480775560.

It is an arithmetic number, because the mean of its divisors is an integer number (480775560).

Almost surely, 2^961551119 is an apocalyptic number.

961551119 is a deficient number, since it is larger than the sum of its proper divisors (1).

961551119 is an equidigital number, since it uses as much as digits as its factorization.

961551119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12150, while the sum is 38.

The square root of 961551119 is about 31008.8877420652. The cubic root of 961551119 is about 987.0158477829.

The spelling of 961551119 in words is "nine hundred sixty-one million, five hundred fifty-one thousand, one hundred nineteen".