101555155444051 has 4 divisors (see below), whose sum is σ = 101680687157400. Its totient is φ = 101429623730704.

The previous prime is 101555155444049. The next prime is 101555155444063. The reversal of 101555155444051 is 150444551555101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101555155444051 - 2¹ = 101555155444049 is a prime.

It is a super-2 number, since 2×101555155444051² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101555155443992 and 101555155444010.

It is not an unprimeable number, because it can be changed into a prime (101555155444651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62765855461 + ... + 62765857078.

It is an arithmetic number, because the mean of its divisors is an integer number (25420171789350).

Almost surely, 2^{101555155444051} is an apocalyptic number.

101555155444051 is a deficient number, since it is larger than the sum of its proper divisors (125531713349).

101555155444051 is an equidigital number, since it uses as much as digits as its factorization.

101555155444051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125531713348.

The product of its (nonzero) digits is 1000000, while the sum is 46.

The spelling of 101555155444051 in words is "one hundred one trillion, five hundred fifty-five billion, one hundred fifty-five million, four hundred forty-four thousand, fifty-one".