261051114 has 8 divisors (see below), whose sum is σ = 522102240. Its totient is φ = 87017036.

The previous prime is 261051107. The next prime is 261051121. The reversal of 261051114 is 411150162.

It is an interprime number because it is at equal distance from previous prime (261051107) and next prime (261051121).

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

261051114 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21754254 + ... + 21754265.

It is an arithmetic number, because the mean of its divisors is an integer number (65262780).

Almost surely, 2^261051114 is an apocalyptic number.

261051114 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

261051114 is a wasteful number, since it uses less digits than its factorization.

261051114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43508524.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 261051114 is about 16157.0762825457. The cubic root of 261051114 is about 639.1093682574.

The spelling of 261051114 in words is "two hundred sixty-one million, fifty-one thousand, one hundred fourteen".