101620611445 has 8 divisors (see below), whose sum is σ = 122258218680. Its totient is φ = 81087499200.

The previous prime is 101620611439. The next prime is 101620611451. The reversal of 101620611445 is 544116026101.

It is an interprime number because it is at equal distance from previous prime (101620611439) and next prime (101620611451).

It can be written as a sum of positive squares in 4 ways, for example, as 6770162961 + 94850448484 = 82281^2 + 307978^2 .

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

It is not a de Polignac number, because 101620611445 - 2⁷ = 101620611317 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26121606 + ... + 26125495.

It is an arithmetic number, because the mean of its divisors is an integer number (15282277335).

Almost surely, 2^101620611445 is an apocalyptic number.

It is an amenable number.

101620611445 is a deficient number, since it is larger than the sum of its proper divisors (20637607235).

101620611445 is an equidigital number, since it uses as much as digits as its factorization.

101620611445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52247495.

The product of its (nonzero) digits is 5760, while the sum is 31.

Adding to 101620611445 its reverse (544116026101), we get a palindrome (645736637546).

The spelling of 101620611445 in words is "one hundred one billion, six hundred twenty million, six hundred eleven thousand, four hundred forty-five".