101025505515450 has 48 divisors (see below), whose sum is σ = 250543916859456. Its totient is φ = 26940063494400.

The previous prime is 101025505515439. The next prime is 101025505515461. The reversal of 101025505515450 is 54515505520101.

It is an interprime number because it is at equal distance from previous prime (101025505515439) and next prime (101025505515461).

It is a junction number, because it is equal to n+sod(n) for n = 101025505515399 and 101025505515408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80899810 + ... + 82139090.

It is an arithmetic number, because the mean of its divisors is an integer number (5219664934572).

Almost surely, 2^{101025505515450} is an apocalyptic number.

101025505515450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101025505515450 is an abundant number, since it is smaller than the sum of its proper divisors (149518411344006).

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

101025505515450 is a wasteful number, since it uses less digits than its factorization.

101025505515450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1782759 (or 1782754 counting only the distinct ones).

The product of its (nonzero) digits is 125000, while the sum is 39.

The spelling of 101025505515450 in words is "one hundred one trillion, twenty-five billion, five hundred five million, five hundred fifteen thousand, four hundred fifty".