101425451314661 has 4 divisors (see below), whose sum is σ = 101425472481900. Its totient is φ = 101425430147424.

The previous prime is 101425451314651. The next prime is 101425451314667. The reversal of 101425451314661 is 166413154524101.

It is a happy number.

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 35745870076225 + 65679581238436 = 5978785^2 + 8104294^2 .

It is a cyclic number.

It is not a de Polignac number, because 101425451314661 - 2⁶ = 101425451314597 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 (101425451314667) 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, 411035 + ... + 14248503.

It is an arithmetic number, because the mean of its divisors is an integer number (25356368120475).

Almost surely, 2^{101425451314661} is an apocalyptic number.

It is an amenable number.

101425451314661 is a deficient number, since it is larger than the sum of its proper divisors (21167239).

101425451314661 is an equidigital number, since it uses as much as digits as its factorization.

101425451314661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21167238.

The product of its (nonzero) digits is 345600, while the sum is 44.

The spelling of 101425451314661 in words is "one hundred one trillion, four hundred twenty-five billion, four hundred fifty-one million, three hundred fourteen thousand, six hundred sixty-one".