78504114155115 has 128 divisors (see below), whose sum is σ = 139454178361344. Its totient is φ = 37391207040000.

The previous prime is 78504114155053. The next prime is 78504114155143. The reversal of 78504114155115 is 51155141140587.

It is not a de Polignac number, because 78504114155115 - 2¹⁴ = 78504114138731 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 6584252544 + ... + 6584264466.

It is an arithmetic number, because the mean of its divisors is an integer number (1089485768448).

Almost surely, 2^{78504114155115} is an apocalyptic number.

78504114155115 is a deficient number, since it is larger than the sum of its proper divisors (60950064206229).

78504114155115 is a wasteful number, since it uses less digits than its factorization.

78504114155115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13601.

The product of its (nonzero) digits is 560000, while the sum is 48.

The spelling of 78504114155115 in words is "seventy-eight trillion, five hundred four billion, one hundred fourteen million, one hundred fifty-five thousand, one hundred fifteen".