1206008551 has 16 divisors (see below), whose sum is σ = 1326544128. Its totient is φ = 1087331200.

The previous prime is 1206008539. The next prime is 1206008567. The reversal of 1206008551 is 1558006021.

It is a cyclic number.

It is not a de Polignac number, because 1206008551 - 2²¹ = 1203911399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1206008521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 775791 + ... + 777343.

It is an arithmetic number, because the mean of its divisors is an integer number (82909008).

Almost surely, 2^1206008551 is an apocalyptic number.

1206008551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1206008551 is a deficient number, since it is larger than the sum of its proper divisors (120535577).

1206008551 is a wasteful number, since it uses less digits than its factorization.

1206008551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2102.

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 1206008551 is about 34727.6338238009. The cubic root of 1206008551 is about 1064.4292388654.

The spelling of 1206008551 in words is "one billion, two hundred six million, eight thousand, five hundred fifty-one".