101551843261 has 8 divisors (see below), whose sum is σ = 110893636800. Its totient is φ = 92228351040.

The previous prime is 101551843219. The next prime is 101551843273. The reversal of 101551843261 is 162348155101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101551843261 - 2³⁵ = 67192104893 is a prime.

It is a super-2 number, since 2×101551843261² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101551843261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101551843201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4563721 + ... + 4585918.

It is an arithmetic number, because the mean of its divisors is an integer number (13861704600).

Almost surely, 2^101551843261 is an apocalyptic number.

101551843261 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

101551843261 is a deficient number, since it is larger than the sum of its proper divisors (9341793539).

101551843261 is a wasteful number, since it uses less digits than its factorization.

101551843261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9150659.

The product of its (nonzero) digits is 28800, while the sum is 37.

Adding to 101551843261 its reverse (162348155101), we get a palindrome (263899998362).

The spelling of 101551843261 in words is "one hundred one billion, five hundred fifty-one million, eight hundred forty-three thousand, two hundred sixty-one".