249078832011 has 12 divisors (see below), whose sum is σ = 368147524888. Its totient is φ = 162190867104.

The previous prime is 249078831997. The next prime is 249078832027. The reversal of 249078832011 is 110238870942.

It is a happy number.

249078832011 is a `hidden beast` number, since 2 + 490 + 78 + 83 + 2 + 0 + 11 = 666.

It is not a de Polignac number, because 249078832011 - 2¹¹ = 249078829963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (249078831011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 321806890 + ... + 321807663.

Almost surely, 2^249078832011 is an apocalyptic number.

249078832011 is a deficient number, since it is larger than the sum of its proper divisors (119068692877).

249078832011 is a wasteful number, since it uses less digits than its factorization.

249078832011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643614602 (or 643614599 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The spelling of 249078832011 in words is "two hundred forty-nine billion, seventy-eight million, eight hundred thirty-two thousand, eleven".