101454671456557 has 4 divisors (see below), whose sum is σ = 101484607922460. Its totient is φ = 101424734990656.

The previous prime is 101454671456521. The next prime is 101454671456639. The reversal of 101454671456557 is 755654176454101.

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 87992860963401 + 13461810493156 = 9380451^2 + 3669034^2 .

It is a cyclic number.

It is not a de Polignac number, because 101454671456557 - 2³¹ = 101452523972909 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101454671456495 and 101454671456504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101454671456857) 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, 14968227868 + ... + 14968234645.

It is an arithmetic number, because the mean of its divisors is an integer number (25371151980615).

Almost surely, 2^{101454671456557} is an apocalyptic number.

It is an amenable number.

101454671456557 is a deficient number, since it is larger than the sum of its proper divisors (29936465903).

101454671456557 is an equidigital number, since it uses as much as digits as its factorization.

101454671456557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29936465902.

The product of its (nonzero) digits is 70560000, while the sum is 61.

The spelling of 101454671456557 in words is "one hundred one trillion, four hundred fifty-four billion, six hundred seventy-one million, four hundred fifty-six thousand, five hundred fifty-seven".