2001262046535 has 48 divisors (see below), whose sum is σ = 3673060481376. Its totient is φ = 1004512395264.

The previous prime is 2001262046533. The next prime is 2001262046599. The reversal of 2001262046535 is 5356402621002.

2001262046535 is a `hidden beast` number, since 20 + 0 + 1 + 2 + 62 + 0 + 46 + 535 = 666.

It is not a de Polignac number, because 2001262046535 - 2¹ = 2001262046533 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2001262046535.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001262046533) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25861972 + ... + 25939238.

It is an arithmetic number, because the mean of its divisors is an integer number (76522093362).

Almost surely, 2^{2001262046535} is an apocalyptic number.

2001262046535 is a deficient number, since it is larger than the sum of its proper divisors (1671798434841).

2001262046535 is a wasteful number, since it uses less digits than its factorization.

2001262046535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111152 (or 111149 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 2001262046535 its reverse (5356402621002), we get a palindrome (7357664667537).

The spelling of 2001262046535 in words is "two trillion, one billion, two hundred sixty-two million, forty-six thousand, five hundred thirty-five".