11462065978 has 12 divisors (see below), whose sum is σ = 18898200090. Its totient is φ = 5210029880.

The previous prime is 11462065969. The next prime is 11462065991. The reversal of 11462065978 is 87956026411.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 9300094969 + 2161971009 = 96437^2 + 46497^2 .

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 5 ways as a sum of consecutive naturals, for example, 23681713 + ... + 23682196.

Almost surely, 2^11462065978 is an apocalyptic number.

11462065978 is a deficient number, since it is larger than the sum of its proper divisors (7436134112).

11462065978 is a wasteful number, since it uses less digits than its factorization.

11462065978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47363933 (or 47363922 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 49.

The spelling of 11462065978 in words is "eleven billion, four hundred sixty-two million, sixty-five thousand, nine hundred seventy-eight".