1551160553 has 2 divisors, whose sum is σ = 1551160554. Its totient is φ = 1551160552.

The previous prime is 1551160517. The next prime is 1551160603. The reversal of 1551160553 is 3550611551.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1475174464 + 75986089 = 38408^2 + 8717^2 .

It is a cyclic number.

It is not a de Polignac number, because 1551160553 - 2³⁰ = 477418729 is a prime.

It is a super-2 number, since 2×1551160553² = 4812198122366531618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1551160253) by changing a digit.

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 as a sum of consecutive naturals, namely, 775580276 + 775580277.

It is an arithmetic number, because the mean of its divisors is an integer number (775580277).

Almost surely, 2^1551160553 is an apocalyptic number.

It is an amenable number.

1551160553 is a deficient number, since it is larger than the sum of its proper divisors (1).

1551160553 is an equidigital number, since it uses as much as digits as its factorization.

1551160553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11250, while the sum is 32.

The square root of 1551160553 is about 39384.7756499894. The cubic root of 1551160553 is about 1157.5832942655.

The spelling of 1551160553 in words is "one billion, five hundred fifty-one million, one hundred sixty thousand, five hundred fifty-three".