101018451556 has 27 divisors (see below), whose sum is σ = 194327869267. Its totient is φ = 45914299640.

The previous prime is 101018451553. The next prime is 101018451557. The reversal of 101018451556 is 655154810101.

The square root of 101018451556 is 317834.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×101018451556² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101018451551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6985125 + ... + 6999571.

Almost surely, 2^101018451556 is an apocalyptic number.

101018451556 is the 317834-th square number.

It is an amenable number.

101018451556 is a deficient number, since it is larger than the sum of its proper divisors (93309417711).

101018451556 is an frugal number, since it uses more digits than its factorization.

101018451556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28920 (or 14460 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 37.

The spelling of 101018451556 in words is "one hundred one billion, eighteen million, four hundred fifty-one thousand, five hundred fifty-six".