1555550606001 has 16 divisors (see below), whose sum is σ = 2452099478400. Its totient is φ = 858234816768.

The previous prime is 1555550605979. The next prime is 1555550606011. The reversal of 1555550606001 is 1006060555551.

It is not a de Polignac number, because 1555550606001 - 2⁵ = 1555550605969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1555550606011) 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, 1277134536 + ... + 1277135753.

It is an arithmetic number, because the mean of its divisors is an integer number (153256217400).

Almost surely, 2^{1555550606001} is an apocalyptic number.

It is an amenable number.

1555550606001 is a deficient number, since it is larger than the sum of its proper divisors (896548872399).

1555550606001 is a wasteful number, since it uses less digits than its factorization.

1555550606001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2554270328.

The product of its (nonzero) digits is 112500, while the sum is 39.

The spelling of 1555550606001 in words is "one trillion, five hundred fifty-five billion, five hundred fifty million, six hundred six thousand, one".