10978009542 has 36 divisors (see below), whose sum is σ = 24699296076. Its totient is φ = 3659332140.

The previous prime is 10978009541. The next prime is 10978009547. The reversal of 10978009542 is 24590087901.

10978009542 is a `hidden beast` number, since 10 + 97 + 8 + 0 + 0 + 9 + 542 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10978009541) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 405184 + ... + 431427.

Almost surely, 2^10978009542 is an apocalyptic number.

10978009542 is an abundant number, since it is smaller than the sum of its proper divisors (13721286534).

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

10978009542 is an frugal number, since it uses more digits than its factorization.

10978009542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836637 (or 836616 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The spelling of 10978009542 in words is "ten billion, nine hundred seventy-eight million, nine thousand, five hundred forty-two".