1551152011 has 2 divisors, whose sum is σ = 1551152012. Its totient is φ = 1551152010.

The previous prime is 1551151969. The next prime is 1551152021. The reversal of 1551152011 is 1102511551.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1551152011 - 2⁷ = 1551151883 is a prime.

It is a super-2 number, since 2×1551152011² = 4812145122458688242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1551152021) 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, 775576005 + 775576006.

It is an arithmetic number, because the mean of its divisors is an integer number (775576006).

Almost surely, 2^1551152011 is an apocalyptic number.

1551152011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1551152011 is an equidigital number, since it uses as much as digits as its factorization.

1551152011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 250, while the sum is 22.

The square root of 1551152011 is about 39384.6672069220. The cubic root of 1551152011 is about 1157.5811693845.

Adding to 1551152011 its reverse (1102511551), we get a palindrome (2653663562).

The spelling of 1551152011 in words is "one billion, five hundred fifty-one million, one hundred fifty-two thousand, eleven".