11948970213 has 24 divisors (see below), whose sum is σ = 17567732000. Its totient is φ = 7824462624.

The previous prime is 11948970191. The next prime is 11948970269. The reversal of 11948970213 is 31207984911.

It is not a de Polignac number, because 11948970213 - 2⁹ = 11948969701 is a prime.

It is a super-2 number, since 2×11948970213² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11948970113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 182058 + ... + 238836.

Almost surely, 2^11948970213 is an apocalyptic number.

It is an amenable number.

11948970213 is a deficient number, since it is larger than the sum of its proper divisors (5618761787).

11948970213 is a wasteful number, since it uses less digits than its factorization.

11948970213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57201 (or 57198 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The spelling of 11948970213 in words is "eleven billion, nine hundred forty-eight million, nine hundred seventy thousand, two hundred thirteen".