5661551153 has 2 divisors, whose sum is σ = 5661551154. Its totient is φ = 5661551152.

The previous prime is 5661551143. The next prime is 5661551197. The reversal of 5661551153 is 3511551665.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4310841649 + 1350709504 = 65657^2 + 36752^2 .

It is a cyclic number.

It is not a de Polignac number, because 5661551153 - 2¹⁶ = 5661485617 is a prime.

It is a super-2 number, since 2×5661551153² = 64106322916071258818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5661551143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2830775576 + 2830775577.

It is an arithmetic number, because the mean of its divisors is an integer number (2830775577).

Almost surely, 2^5661551153 is an apocalyptic number.

It is an amenable number.

5661551153 is a deficient number, since it is larger than the sum of its proper divisors (1).

5661551153 is an equidigital number, since it uses as much as digits as its factorization.

5661551153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 67500, while the sum is 38.

The square root of 5661551153 is about 75243.2797863038. The cubic root of 5661551153 is about 1782.2904438238.

The spelling of 5661551153 in words is "five billion, six hundred sixty-one million, five hundred fifty-one thousand, one hundred fifty-three".