531503104407 has 16 divisors (see below), whose sum is σ = 783984096000. Its totient is φ = 317586147200.

The previous prime is 531503104403. The next prime is 531503104427. The reversal of 531503104407 is 704401305135.

It is a cyclic number.

It is not a de Polignac number, because 531503104407 - 2² = 531503104403 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531503104403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113421282 + ... + 113425967.

It is an arithmetic number, because the mean of its divisors is an integer number (48999006000).

Almost surely, 2^531503104407 is an apocalyptic number.

531503104407 is a deficient number, since it is larger than the sum of its proper divisors (252480991593).

531503104407 is a wasteful number, since it uses less digits than its factorization.

531503104407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226847334.

The product of its (nonzero) digits is 25200, while the sum is 33.

The spelling of 531503104407 in words is "five hundred thirty-one billion, five hundred three million, one hundred four thousand, four hundred seven".