1206530515770 has 16 divisors (see below), whose sum is σ = 2895673237920. Its totient is φ = 321741470864.

The previous prime is 1206530515769. The next prime is 1206530515787. The reversal of 1206530515770 is 775150356021.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20108841900 + ... + 20108841959.

It is an arithmetic number, because the mean of its divisors is an integer number (180979577370).

Almost surely, 2^{1206530515770} is an apocalyptic number.

1206530515770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1206530515770 is an abundant number, since it is smaller than the sum of its proper divisors (1689142722150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1206530515770 is a wasteful number, since it uses less digits than its factorization.

1206530515770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40217683869.

The product of its (nonzero) digits is 220500, while the sum is 42.

The spelling of 1206530515770 in words is "one trillion, two hundred six billion, five hundred thirty million, five hundred fifteen thousand, seven hundred seventy".