110961978951 has 8 divisors (see below), whose sum is σ = 147975089920. Its totient is φ = 73961760312.

The previous prime is 110961978937. The next prime is 110961979039. The reversal of 110961978951 is 159879169011.

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

It is not a de Polignac number, because 110961978951 - 2⁶ = 110961978887 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110961978891 and 110961978900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110961978901) 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, 3202981 + ... + 3237438.

It is an arithmetic number, because the mean of its divisors is an integer number (18496886240).

Almost surely, 2^110961978951 is an apocalyptic number.

110961978951 is a deficient number, since it is larger than the sum of its proper divisors (37013110969).

110961978951 is an equidigital number, since it uses as much as digits as its factorization.

110961978951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6446165.

The product of its (nonzero) digits is 1224720, while the sum is 57.

The spelling of 110961978951 in words is "one hundred ten billion, nine hundred sixty-one million, nine hundred seventy-eight thousand, nine hundred fifty-one".