1158077471479 has 4 divisors (see below), whose sum is σ = 1169543585160. Its totient is φ = 1146611357800.

The previous prime is 1158077471471. The next prime is 1158077471483. The reversal of 1158077471479 is 9741747708511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1158077471479 - 2³ = 1158077471471 is a prime.

It is a super-2 number, since 2×1158077471479² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1158077471471) 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, 5733056689 + ... + 5733056890.

It is an arithmetic number, because the mean of its divisors is an integer number (292385896290).

Almost surely, 2^{1158077471479} is an apocalyptic number.

1158077471479 is a deficient number, since it is larger than the sum of its proper divisors (11466113681).

1158077471479 is a wasteful number, since it uses less digits than its factorization.

1158077471479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11466113680.

The product of its (nonzero) digits is 13829760, while the sum is 61.

The spelling of 1158077471479 in words is "one trillion, one hundred fifty-eight billion, seventy-seven million, four hundred seventy-one thousand, four hundred seventy-nine".