2136965385055 has 4 divisors (see below), whose sum is σ = 2564358462072. Its totient is φ = 1709572308040.

The previous prime is 2136965385041. The next prime is 2136965385059. The reversal of 2136965385055 is 5505835696312.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2136965385055 - 2¹³ = 2136965376863 is a prime.

It is a super-3 number, since 3×2136965385055³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2136965385059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213696538501 + ... + 213696538510.

It is an arithmetic number, because the mean of its divisors is an integer number (641089615518).

Almost surely, 2^{2136965385055} is an apocalyptic number.

2136965385055 is a deficient number, since it is larger than the sum of its proper divisors (427393077017).

2136965385055 is an equidigital number, since it uses as much as digits as its factorization.

2136965385055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427393077016.

The product of its (nonzero) digits is 29160000, while the sum is 58.

The spelling of 2136965385055 in words is "two trillion, one hundred thirty-six billion, nine hundred sixty-five million, three hundred eighty-five thousand, fifty-five".