10661044151 has 4 divisors (see below), whose sum is σ = 10663704792. Its totient is φ = 10658383512.

The previous prime is 10661044139. The next prime is 10661044171. The reversal of 10661044151 is 15144016601.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10661044151 - 2¹⁸ = 10660782007 is a prime.

It is a super-2 number, since 2×10661044151² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10661044171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1324301 + ... + 1332326.

It is an arithmetic number, because the mean of its divisors is an integer number (2665926198).

Almost surely, 2^10661044151 is an apocalyptic number.

10661044151 is a deficient number, since it is larger than the sum of its proper divisors (2660641).

10661044151 is an equidigital number, since it uses as much as digits as its factorization.

10661044151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2660640.

The product of its (nonzero) digits is 2880, while the sum is 29.

The spelling of 10661044151 in words is "ten billion, six hundred sixty-one million, forty-four thousand, one hundred fifty-one".