78011525750449 has 8 divisors (see below), whose sum is σ = 80750811081728. Its totient is φ = 75305443878000.

The previous prime is 78011525750447. The next prime is 78011525750471. The reversal of 78011525750449 is 94405752511087.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 78011525750449 - 2¹ = 78011525750447 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 78011525750393 and 78011525750402.

It is not an unprimeable number, because it can be changed into a prime (78011525750447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8300859927 + ... + 8300869324.

It is an arithmetic number, because the mean of its divisors is an integer number (10093851385216).

Almost surely, 2^{78011525750449} is an apocalyptic number.

It is an amenable number.

78011525750449 is a deficient number, since it is larger than the sum of its proper divisors (2739285331279).

78011525750449 is a wasteful number, since it uses less digits than its factorization.

78011525750449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16601729415.

The product of its (nonzero) digits is 14112000, while the sum is 58.

The spelling of 78011525750449 in words is "seventy-eight trillion, eleven billion, five hundred twenty-five million, seven hundred fifty thousand, four hundred forty-nine".