1550001411 has 12 divisors (see below), whose sum is σ = 2558732592. Its totient is φ = 885715056.

The previous prime is 1550001407. The next prime is 1550001413. The reversal of 1550001411 is 1141000551.

It is a happy number.

It is not a de Polignac number, because 1550001411 - 2² = 1550001407 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1550001413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12301536 + ... + 12301661.

It is an arithmetic number, because the mean of its divisors is an integer number (213227716).

Almost surely, 2^1550001411 is an apocalyptic number.

1550001411 is a deficient number, since it is larger than the sum of its proper divisors (1008731181).

1550001411 is a wasteful number, since it uses less digits than its factorization.

1550001411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24603210 (or 24603207 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The square root of 1550001411 is about 39370.0572897729. The cubic root of 1550001411 is about 1157.2948784333.

Adding to 1550001411 its reverse (1141000551), we get a palindrome (2691001962).

The spelling of 1550001411 in words is "one billion, five hundred fifty million, one thousand, four hundred eleven".