101551011413 has 4 divisors (see below), whose sum is σ = 101552558028. Its totient is φ = 101549464800.

The previous prime is 101551011409. The next prime is 101551011431. The reversal of 101551011413 is 314110155101.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12655800004 + 88895211409 = 112498^2 + 298153^2 .

It is a cyclic number.

It is not a de Polignac number, because 101551011413 - 2² = 101551011409 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101551011433) 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, 670238 + ... + 807663.

It is an arithmetic number, because the mean of its divisors is an integer number (25388139507).

Almost surely, 2^101551011413 is an apocalyptic number.

It is an amenable number.

101551011413 is a deficient number, since it is larger than the sum of its proper divisors (1546615).

101551011413 is an equidigital number, since it uses as much as digits as its factorization.

101551011413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546614.

The product of its (nonzero) digits is 300, while the sum is 23.

Adding to 101551011413 its reverse (314110155101), we get a palindrome (415661166514).

The spelling of 101551011413 in words is "one hundred one billion, five hundred fifty-one million, eleven thousand, four hundred thirteen".