11956028951 has 8 divisors (see below), whose sum is σ = 12087440640. Its totient is φ = 11825012448.

The previous prime is 11956028941. The next prime is 11956028963. The reversal of 11956028951 is 15982065911.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11956028951 - 2¹⁰ = 11956027927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11956028896 and 11956028905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11956028921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37751 + ... + 159176.

It is an arithmetic number, because the mean of its divisors is an integer number (1510930080).

Almost surely, 2^11956028951 is an apocalyptic number.

11956028951 is a deficient number, since it is larger than the sum of its proper divisors (131411689).

11956028951 is a wasteful number, since it uses less digits than its factorization.

11956028951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197593.

The product of its (nonzero) digits is 194400, while the sum is 47.

The spelling of 11956028951 in words is "eleven billion, nine hundred fifty-six million, twenty-eight thousand, nine hundred fifty-one".