531265031211116 has 48 divisors (see below), whose sum is σ = 1016635464875520. Its totient is φ = 242056062864000.

The previous prime is 531265031211107. The next prime is 531265031211137. The reversal of 531265031211116 is 611112130562135.

It is a super-2 number, since 2×531265031211116² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a self number, because there is not a number n which added to its sum of digits gives 531265031211116.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1200453680 + ... + 1200896151.

It is an arithmetic number, because the mean of its divisors is an integer number (21179905518240).

Almost surely, 2^{531265031211116} is an apocalyptic number.

It is an amenable number.

531265031211116 is a deficient number, since it is larger than the sum of its proper divisors (485370433664404).

531265031211116 is a wasteful number, since it uses less digits than its factorization.

531265031211116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2401349966 (or 2401349964 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 38.

The spelling of 531265031211116 in words is "five hundred thirty-one trillion, two hundred sixty-five billion, thirty-one million, two hundred eleven thousand, one hundred sixteen".