1157954327479 has 4 divisors (see below), whose sum is σ = 1159045708680. Its totient is φ = 1156862946280.

The previous prime is 1157954327461. The next prime is 1157954327483. The reversal of 1157954327479 is 9747234597511.

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 1157954327479 - 2⁷ = 1157954327351 is a prime.

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 1157954327479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157954327449) 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, 545689009 + ... + 545691130.

It is an arithmetic number, because the mean of its divisors is an integer number (289761427170).

Almost surely, 2^{1157954327479} is an apocalyptic number.

1157954327479 is a deficient number, since it is larger than the sum of its proper divisors (1091381201).

1157954327479 is a wasteful number, since it uses less digits than its factorization.

1157954327479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091381200.

The product of its digits is 66679200, while the sum is 64.

The spelling of 1157954327479 in words is "one trillion, one hundred fifty-seven billion, nine hundred fifty-four million, three hundred twenty-seven thousand, four hundred seventy-nine".