2601551311241 has 8 divisors (see below), whose sum is σ = 2806557020424. Its totient is φ = 2402320410880.

The previous prime is 2601551311213. The next prime is 2601551311243. The reversal of 2601551311241 is 1421131551062.

It can be written as a sum of positive squares in 4 ways, for example, as 1333459110025 + 1268092201216 = 1154755^2 + 1126096^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2601551311241 - 2¹⁴ = 2601551294857 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2601551311198 and 2601551311207.

It is not an unprimeable number, because it can be changed into a prime (2601551311243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1443701270 + ... + 1443703071.

It is an arithmetic number, because the mean of its divisors is an integer number (350819627553).

Almost surely, 2^{2601551311241} is an apocalyptic number.

It is an amenable number.

2601551311241 is a deficient number, since it is larger than the sum of its proper divisors (205005709183).

2601551311241 is a wasteful number, since it uses less digits than its factorization.

2601551311241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2887404411.

The product of its (nonzero) digits is 7200, while the sum is 32.

The spelling of 2601551311241 in words is "two trillion, six hundred one billion, five hundred fifty-one million, three hundred eleven thousand, two hundred forty-one".