1551145411 has 2 divisors, whose sum is σ = 1551145412. Its totient is φ = 1551145410.

The previous prime is 1551145397. The next prime is 1551145429. The reversal of 1551145411 is 1145411551.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1551145411 - 2⁹ = 1551144899 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1551145411.

It is not a weakly prime, because it can be changed into another prime (1551145441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 775572705 + 775572706.

It is an arithmetic number, because the mean of its divisors is an integer number (775572706).

Almost surely, 2^1551145411 is an apocalyptic number.

1551145411 is a deficient number, since it is larger than the sum of its proper divisors (1).

1551145411 is an equidigital number, since it uses as much as digits as its factorization.

1551145411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2000, while the sum is 28.

The square root of 1551145411 is about 39384.5834178807. The cubic root of 1551145411 is about 1157.5795275840.

Adding to 1551145411 its reverse (1145411551), we get a palindrome (2696556962).

The spelling of 1551145411 in words is "one billion, five hundred fifty-one million, one hundred forty-five thousand, four hundred eleven".