43661050561151 has 8 divisors (see below), whose sum is σ = 45559476091104. Its totient is φ = 41762634946560.

The previous prime is 43661050561147. The next prime is 43661050561153. The reversal of 43661050561151 is 15116505016634.

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 43661050561151 - 2² = 43661050561147 is a prime.

It is a super-2 number, since 2×43661050561151² (a number of 28 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 (43661050561153) 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, 7348331 + ... + 11887811.

It is an arithmetic number, because the mean of its divisors is an integer number (5694934511388).

Almost surely, 2^{43661050561151} is an apocalyptic number.

43661050561151 is a deficient number, since it is larger than the sum of its proper divisors (1898425529953).

43661050561151 is a wasteful number, since it uses less digits than its factorization.

43661050561151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4957681.

The product of its (nonzero) digits is 324000, while the sum is 44.

Adding to 43661050561151 its reverse (15116505016634), we get a palindrome (58777555577785).

The spelling of 43661050561151 in words is "forty-three trillion, six hundred sixty-one billion, fifty million, five hundred sixty-one thousand, one hundred fifty-one".