2523440012535 has 128 divisors (see below), whose sum is σ = 4853755146240. Its totient is φ = 1236517996032.

The previous prime is 2523440012531. The next prime is 2523440012581. The reversal of 2523440012535 is 5352100443252.

2523440012535 is a `hidden beast` number, since 2 + 5 + 234 + 400 + 12 + 5 + 3 + 5 = 666.

It is not a de Polignac number, because 2523440012535 - 2² = 2523440012531 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2523440012535.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2523440012531) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 947591614 + ... + 947594276.

It is an arithmetic number, because the mean of its divisors is an integer number (37919962080).

Almost surely, 2^{2523440012535} is an apocalyptic number.

2523440012535 is a deficient number, since it is larger than the sum of its proper divisors (2330315133705).

2523440012535 is a wasteful number, since it uses less digits than its factorization.

2523440012535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5006 (or 5000 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 2523440012535 its reverse (5352100443252), we get a palindrome (7875540455787).

The spelling of 2523440012535 in words is "two trillion, five hundred twenty-three billion, four hundred forty million, twelve thousand, five hundred thirty-five".