1555601055051 has 8 divisors (see below), whose sum is σ = 2074213497664. Its totient is φ = 1037027991240.

The previous prime is 1555601055031. The next prime is 1555601055053. The reversal of 1555601055051 is 1505501065551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1555601055051 - 2¹³ = 1555601046859 is a prime.

It is a super-2 number, since 2×1555601055051² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1555601055053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9752401 + ... + 9910626.

It is an arithmetic number, because the mean of its divisors is an integer number (259276687208).

Almost surely, 2^{1555601055051} is an apocalyptic number.

1555601055051 is a deficient number, since it is larger than the sum of its proper divisors (518612442613).

1555601055051 is a wasteful number, since it uses less digits than its factorization.

1555601055051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19689401.

The product of its (nonzero) digits is 93750, while the sum is 39.

The spelling of 1555601055051 in words is "one trillion, five hundred fifty-five billion, six hundred one million, fifty-five thousand, fifty-one".