11954198757 has 16 divisors (see below), whose sum is σ = 16034974592. Its totient is φ = 7921488960.

The previous prime is 11954198749. The next prime is 11954198777. The reversal of 11954198757 is 75789145911.

It is not a de Polignac number, because 11954198757 - 2³ = 11954198749 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11954198697 and 11954198706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11954198777) 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, 1433163 + ... + 1441479.

It is an arithmetic number, because the mean of its divisors is an integer number (1002185912).

Almost surely, 2^11954198757 is an apocalyptic number.

It is an amenable number.

11954198757 is a deficient number, since it is larger than the sum of its proper divisors (4080775835).

11954198757 is a wasteful number, since it uses less digits than its factorization.

11954198757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11148.

The product of its digits is 3175200, while the sum is 57.

The spelling of 11954198757 in words is "eleven billion, nine hundred fifty-four million, one hundred ninety-eight thousand, seven hundred fifty-seven".