11151654993 has 10 divisors (see below), whose sum is σ = 16658645234. Its totient is φ = 7434436608.

The previous prime is 11151654991. The next prime is 11151655003. The reversal of 11151654993 is 39945615111.

11151654993 is a `hidden beast` number, since 1 + 1 + 1 + 5 + 16 + 549 + 93 = 666.

It can be written as a sum of positive squares in only one way, i.e., 9974616129 + 1177038864 = 99873^2 + 34308^2 .

It is not a de Polignac number, because 11151654993 - 2¹ = 11151654991 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11151654991) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 68837296 + ... + 68837457.

Almost surely, 2^11151654993 is an apocalyptic number.

It is an amenable number.

11151654993 is a deficient number, since it is larger than the sum of its proper divisors (5506990241).

11151654993 is an equidigital number, since it uses as much as digits as its factorization.

11151654993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137674765 (or 137674756 counting only the distinct ones).

The product of its digits is 145800, while the sum is 45.

The spelling of 11151654993 in words is "eleven billion, one hundred fifty-one million, six hundred fifty-four thousand, nine hundred ninety-three".