101551620434013 has 12 divisors (see below), whose sum is σ = 147740966580480. Its totient is φ = 67214022156936.

The previous prime is 101551620433997. The next prime is 101551620434051. The reversal of 101551620434013 is 310434026155101.

101551620434013 is a `hidden beast` number, since 1 + 0 + 1 + 55 + 162 + 0 + 43 + 401 + 3 = 666.

It is not a de Polignac number, because 101551620434013 - 2⁴ = 101551620433997 is a prime.

It is a super-2 number, since 2×101551620434013² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101551620439013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40588176381 + ... + 40588178882.

It is an arithmetic number, because the mean of its divisors is an integer number (12311747215040).

Almost surely, 2^{101551620434013} is an apocalyptic number.

It is an amenable number.

101551620434013 is a deficient number, since it is larger than the sum of its proper divisors (46189346146467).

101551620434013 is a wasteful number, since it uses less digits than its factorization.

101551620434013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81176355408 (or 81176355405 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

Adding to 101551620434013 its reverse (310434026155101), we get a palindrome (411985646589114).

The spelling of 101551620434013 in words is "one hundred one trillion, five hundred fifty-one billion, six hundred twenty million, four hundred thirty-four thousand, thirteen".