101025666455 has 48 divisors (see below), whose sum is σ = 144299200896. Its totient is φ = 67671313920.

The previous prime is 101025666421. The next prime is 101025666461. The reversal of 101025666455 is 554666520101.

It is not a de Polignac number, because 101025666455 - 2²⁰ = 101024617879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6221507 + ... + 6237723.

It is an arithmetic number, because the mean of its divisors is an integer number (3006233352).

Almost surely, 2^101025666455 is an apocalyptic number.

101025666455 is a deficient number, since it is larger than the sum of its proper divisors (43273534441).

101025666455 is a wasteful number, since it uses less digits than its factorization.

101025666455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16824 (or 16817 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 101025666455 in words is "one hundred one billion, twenty-five million, six hundred sixty-six thousand, four hundred fifty-five".