101042606551 has 24 divisors (see below), whose sum is σ = 105492348000. Its totient is φ = 96771931200.

The previous prime is 101042606549. The next prime is 101042606573. The reversal of 101042606551 is 155606240101.

It is not a de Polignac number, because 101042606551 - 2¹ = 101042606549 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101042606851) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44530645 + ... + 44532913.

It is an arithmetic number, because the mean of its divisors is an integer number (4395514500).

Almost surely, 2^101042606551 is an apocalyptic number.

101042606551 is a deficient number, since it is larger than the sum of its proper divisors (4449741449).

101042606551 is a wasteful number, since it uses less digits than its factorization.

101042606551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2791 (or 2760 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

Adding to 101042606551 its reverse (155606240101), we get a palindrome (256648846652).

The spelling of 101042606551 in words is "one hundred one billion, forty-two million, six hundred six thousand, five hundred fifty-one".