2635012131001 has 4 divisors (see below), whose sum is σ = 2699280719604. Its totient is φ = 2570743542400.

The previous prime is 2635012130983. The next prime is 2635012131029. The reversal of 2635012131001 is 1001312105362.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1285221272976 + 1349790858025 = 1133676^2 + 1161805^2 .

It is a cyclic number.

It is not a de Polignac number, because 2635012131001 - 2¹⁷ = 2635011999929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2635012131061) 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, 32134294240 + ... + 32134294321.

It is an arithmetic number, because the mean of its divisors is an integer number (674820179901).

Almost surely, 2^{2635012131001} is an apocalyptic number.

It is an amenable number.

2635012131001 is a deficient number, since it is larger than the sum of its proper divisors (64268588603).

2635012131001 is an equidigital number, since it uses as much as digits as its factorization.

2635012131001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64268588602.

The product of its (nonzero) digits is 1080, while the sum is 25.

Adding to 2635012131001 its reverse (1001312105362), we get a palindrome (3636324236363).

The spelling of 2635012131001 in words is "two trillion, six hundred thirty-five billion, twelve million, one hundred thirty-one thousand, one".