11651963794115 has 8 divisors (see below), whose sum is σ = 13994195981328. Its totient is φ = 9313678083040.

The previous prime is 11651963794049. The next prime is 11651963794117. The reversal of 11651963794115 is 51149736915611.

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

It is not a de Polignac number, because 11651963794115 - 2¹⁰ = 11651963793091 is a prime.

It is a super-2 number, since 2×11651963794115² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11651963794117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 986612537 + ... + 986624346.

It is an arithmetic number, because the mean of its divisors is an integer number (1749274497666).

Almost surely, 2^{11651963794115} is an apocalyptic number.

11651963794115 is a deficient number, since it is larger than the sum of its proper divisors (2342232187213).

11651963794115 is a wasteful number, since it uses less digits than its factorization.

11651963794115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1973238069.

The product of its digits is 6123600, while the sum is 59.

The spelling of 11651963794115 in words is "eleven trillion, six hundred fifty-one billion, nine hundred sixty-three million, seven hundred ninety-four thousand, one hundred fifteen".