11858691160449 has 24 divisors (see below), whose sum is σ = 19594162757312. Its totient is φ = 6770195097120.

The previous prime is 11858691160427. The next prime is 11858691160457. The reversal of 11858691160449 is 94406119685811.

11858691160449 is a `hidden beast` number, since 1 + 1 + 8 + 5 + 8 + 6 + 9 + 11 + 604 + 4 + 9 = 666.

It is not a de Polignac number, because 11858691160449 - 2⁵ = 11858691160417 is a prime.

It is a super-2 number, since 2×11858691160449² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11858691160049) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86039647 + ... + 86177364.

Almost surely, 2^{11858691160449} is an apocalyptic number.

It is an amenable number.

11858691160449 is a deficient number, since it is larger than the sum of its proper divisors (7735471596863).

11858691160449 is a wasteful number, since it uses less digits than its factorization.

11858691160449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172218117 (or 172218114 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 63.

The spelling of 11858691160449 in words is "eleven trillion, eight hundred fifty-eight billion, six hundred ninety-one million, one hundred sixty thousand, four hundred forty-nine".