1178875290451 has 4 divisors (see below), whose sum is σ = 1178951495112. Its totient is φ = 1178799085792.

The previous prime is 1178875290443. The next prime is 1178875290473. The reversal of 1178875290451 is 1540925788711.

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 1178875290451 - 2³ = 1178875290443 is a prime.

It is a super-2 number, since 2×1178875290451² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1178875290421) 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, 38079121 + ... + 38110066.

It is an arithmetic number, because the mean of its divisors is an integer number (294737873778).

Almost surely, 2^{1178875290451} is an apocalyptic number.

1178875290451 is a deficient number, since it is larger than the sum of its proper divisors (76204661).

1178875290451 is an equidigital number, since it uses as much as digits as its factorization.

1178875290451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76204660.

The product of its (nonzero) digits is 5644800, while the sum is 58.

The spelling of 1178875290451 in words is "one trillion, one hundred seventy-eight billion, eight hundred seventy-five million, two hundred ninety thousand, four hundred fifty-one".