1311434062572 has 12 divisors (see below), whose sum is σ = 3060012812696. Its totient is φ = 437144687520.

The previous prime is 1311434062571. The next prime is 1311434062577. The reversal of 1311434062572 is 2752604341131.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1311434062572² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1311434062572.

It is not an unprimeable number, because it can be changed into a prime (1311434062571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54643085929 + ... + 54643085952.

Almost surely, 2^{1311434062572} is an apocalyptic number.

1311434062572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1311434062572 is an abundant number, since it is smaller than the sum of its proper divisors (1748578750124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1311434062572 is a wasteful number, since it uses less digits than its factorization.

1311434062572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109286171888 (or 109286171886 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 1311434062572 in words is "one trillion, three hundred eleven billion, four hundred thirty-four million, sixty-two thousand, five hundred seventy-two".