1252215311131 has 16 divisors (see below), whose sum is σ = 1272414977280. Its totient is φ = 1232196245280.

The previous prime is 1252215311119. The next prime is 1252215311141. The reversal of 1252215311131 is 1311135122521.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1252215311131 - 2¹³ = 1252215302939 is a prime.

It is a super-2 number, since 2×1252215311131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1252215311131.

It is not an unprimeable number, because it can be changed into a prime (1252215311141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11437210 + ... + 11546176.

It is an arithmetic number, because the mean of its divisors is an integer number (79525936080).

Almost surely, 2^{1252215311131} is an apocalyptic number.

1252215311131 is a deficient number, since it is larger than the sum of its proper divisors (20199666149).

1252215311131 is a wasteful number, since it uses less digits than its factorization.

1252215311131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109794.

The product of its digits is 1800, while the sum is 28.

The spelling of 1252215311131 in words is "one trillion, two hundred fifty-two billion, two hundred fifteen million, three hundred eleven thousand, one hundred thirty-one".