978187501041 has 16 divisors (see below), whose sum is σ = 1311282580608. Its totient is φ = 648617811200.

The previous prime is 978187501021. The next prime is 978187501043. The reversal of 978187501041 is 140105781879.

978187501041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 978187501041 - 2¹¹ = 978187498993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (978187501043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 707016 + ... + 1567241.

It is an arithmetic number, because the mean of its divisors is an integer number (81955161288).

Almost surely, 2^978187501041 is an apocalyptic number.

It is an amenable number.

978187501041 is a deficient number, since it is larger than the sum of its proper divisors (333095079567).

978187501041 is a wasteful number, since it uses less digits than its factorization.

978187501041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2275032.

The product of its (nonzero) digits is 564480, while the sum is 51.

The spelling of 978187501041 in words is "nine hundred seventy-eight billion, one hundred eighty-seven million, five hundred one thousand, forty-one".