1151566423513 has 16 divisors (see below), whose sum is σ = 1260209583360. Its totient is φ = 1043583609600.

The previous prime is 1151566423463. The next prime is 1151566423519. The reversal of 1151566423513 is 3153246651511.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1151566423513 is a prime.

It is a super-2 number, since 2×1151566423513² (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 1151566423513.

It is not an unprimeable number, because it can be changed into a prime (1151566423519) 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, 23065968 + ... + 23115838.

It is an arithmetic number, because the mean of its divisors is an integer number (78763098960).

Almost surely, 2^{1151566423513} is an apocalyptic number.

It is an amenable number.

1151566423513 is a deficient number, since it is larger than the sum of its proper divisors (108643159847).

1151566423513 is a wasteful number, since it uses less digits than its factorization.

1151566423513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56448.

The product of its digits is 324000, while the sum is 43.

The spelling of 1151566423513 in words is "one trillion, one hundred fifty-one billion, five hundred sixty-six million, four hundred twenty-three thousand, five hundred thirteen".