5515175398078 has 8 divisors (see below), whose sum is σ = 8284431312360. Its totient is φ = 2753698293960.

The previous prime is 5515175398067. The next prime is 5515175398081. The reversal of 5515175398078 is 8708935715155.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1944700768 + ... + 1944703603.

It is an arithmetic number, because the mean of its divisors is an integer number (1035553914045).

Almost surely, 2^{5515175398078} is an apocalyptic number.

5515175398078 is a deficient number, since it is larger than the sum of its proper divisors (2769255914282).

5515175398078 is a wasteful number, since it uses less digits than its factorization.

5515175398078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3889405082.

The product of its (nonzero) digits is 52920000, while the sum is 64.

The spelling of 5515175398078 in words is "five trillion, five hundred fifteen billion, one hundred seventy-five million, three hundred ninety-eight thousand, seventy-eight".