101025503946 has 12 divisors (see below), whose sum is σ = 218888591922. Its totient is φ = 33675167976.

The previous prime is 101025503941. The next prime is 101025503947. The reversal of 101025503946 is 649305520101.

101025503946 is a `hidden beast` number, since 1 + 0 + 10 + 2 + 550 + 3 + 94 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 75289323321 + 25736180625 = 274389^2 + 160425^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 101025503946.

It is not an unprimeable number, because it can be changed into a prime (101025503941) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2806263981 + ... + 2806264016.

Almost surely, 2^101025503946 is an apocalyptic number.

101025503946 is an abundant number, since it is smaller than the sum of its proper divisors (117863087976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101025503946 is a wasteful number, since it uses less digits than its factorization.

101025503946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5612528005 (or 5612528002 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 101025503946 in words is "one hundred one billion, twenty-five million, five hundred three thousand, nine hundred forty-six".