1186165524545 has 16 divisors (see below), whose sum is σ = 1427583000960. Its totient is φ = 946146564864.

The previous prime is 1186165524503. The next prime is 1186165524613. The reversal of 1186165524545 is 5454255616811.

It is a cyclic number.

It is not a de Polignac number, because 1186165524545 - 2⁸ = 1186165524289 is a prime.

It is a super-2 number, since 2×1186165524545² (a number of 25 digits) contains 22 as substring.

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, 2322716 + ... + 2786994.

It is an arithmetic number, because the mean of its divisors is an integer number (89223937560).

Almost surely, 2^{1186165524545} is an apocalyptic number.

It is an amenable number.

1186165524545 is a deficient number, since it is larger than the sum of its proper divisors (241417476415).

1186165524545 is an equidigital number, since it uses as much as digits as its factorization.

1186165524545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465784.

The product of its digits is 5760000, while the sum is 53.

The spelling of 1186165524545 in words is "one trillion, one hundred eighty-six billion, one hundred sixty-five million, five hundred twenty-four thousand, five hundred forty-five".