78011525754 has 24 divisors (see below), whose sum is σ = 169030187040. Its totient is φ = 26003039688.

The previous prime is 78011525707. The next prime is 78011525797. The reversal of 78011525754 is 45752511087.

78011525754 is a `hidden beast` number, since 78 + 0 + 1 + 1 + 5 + 2 + 575 + 4 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 954699 + ... + 1033185.

It is an arithmetic number, because the mean of its divisors is an integer number (7042924460).

Almost surely, 2^78011525754 is an apocalyptic number.

78011525754 is an abundant number, since it is smaller than the sum of its proper divisors (91018661286).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78011525754 is a wasteful number, since it uses less digits than its factorization.

78011525754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133714 (or 133711 counting only the distinct ones).

The product of its (nonzero) digits is 392000, while the sum is 45.

The spelling of 78011525754 in words is "seventy-eight billion, eleven million, five hundred twenty-five thousand, seven hundred fifty-four".