561155014 has 16 divisors (see below), whose sum is σ = 969005088. Its totient is φ = 238738752.

The previous prime is 561155011. The next prime is 561155053. The reversal of 561155014 is 410551165.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561155011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144369 + ... + 148204.

It is an arithmetic number, because the mean of its divisors is an integer number (60562818).

Almost surely, 2^561155014 is an apocalyptic number.

561155014 is a deficient number, since it is larger than the sum of its proper divisors (407850074).

561155014 is a wasteful number, since it uses less digits than its factorization.

561155014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292719.

The product of its (nonzero) digits is 3000, while the sum is 28.

The square root of 561155014 is about 23688.7106867385. The cubic root of 561155014 is about 824.8233544054.

The spelling of 561155014 in words is "five hundred sixty-one million, one hundred fifty-five thousand, fourteen".