101551142343405 has 64 divisors (see below), whose sum is σ = 163947302830080. Its totient is φ = 53674141104384.

The previous prime is 101551142343403. The next prime is 101551142343439. The reversal of 101551142343405 is 504343241155101.

It is not a de Polignac number, because 101551142343405 - 2¹ = 101551142343403 is a prime.

It is a super-2 number, since 2×101551142343405² (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 (101551142343403) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5078308867 + ... + 5078328863.

It is an arithmetic number, because the mean of its divisors is an integer number (2561676606720).

Almost surely, 2^{101551142343405} is an apocalyptic number.

101551142343405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

101551142343405 is a deficient number, since it is larger than the sum of its proper divisors (62396160486675).

101551142343405 is a wasteful number, since it uses less digits than its factorization.

101551142343405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26178.

The product of its (nonzero) digits is 144000, while the sum is 39.

Adding to 101551142343405 its reverse (504343241155101), we get a palindrome (605894383498506).

The spelling of 101551142343405 in words is "one hundred one trillion, five hundred fifty-one billion, one hundred forty-two million, three hundred forty-three thousand, four hundred five".