2601260435551 has 4 divisors (see below), whose sum is σ = 2602224225000. Its totient is φ = 2600296646104.

The previous prime is 2601260435531. The next prime is 2601260435573. The reversal of 2601260435551 is 1555340621062.

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

It is a cyclic number.

It is not a de Polignac number, because 2601260435551 - 2⁴¹ = 402237179999 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 (2601260435531) 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, 481890676 + ... + 481896073.

It is an arithmetic number, because the mean of its divisors is an integer number (650556056250).

Almost surely, 2^{2601260435551} is an apocalyptic number.

2601260435551 is a deficient number, since it is larger than the sum of its proper divisors (963789449).

2601260435551 is an equidigital number, since it uses as much as digits as its factorization.

2601260435551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963789448.

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 2601260435551 in words is "two trillion, six hundred one billion, two hundred sixty million, four hundred thirty-five thousand, five hundred fifty-one".