4151154324661 has 2 divisors, whose sum is σ = 4151154324662. Its totient is φ = 4151154324660.

The previous prime is 4151154324641. The next prime is 4151154324677. The reversal of 4151154324661 is 1664234511514.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2082231684036 + 2068922640625 = 1442994^2 + 1438375^2 .

It is a cyclic number.

It is not a de Polignac number, because 4151154324661 - 2¹³ = 4151154316469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4151154324641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2075577162330 + 2075577162331.

It is an arithmetic number, because the mean of its divisors is an integer number (2075577162331).

Almost surely, 2^{4151154324661} is an apocalyptic number.

It is an amenable number.

4151154324661 is a deficient number, since it is larger than the sum of its proper divisors (1).

4151154324661 is an equidigital number, since it uses as much as digits as its factorization.

4151154324661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 345600, while the sum is 43.

The spelling of 4151154324661 in words is "four trillion, one hundred fifty-one billion, one hundred fifty-four million, three hundred twenty-four thousand, six hundred sixty-one".