101662730611425 has 18 divisors (see below), whose sum is σ = 182089246384422. Its totient is φ = 54220122992640.

The previous prime is 101662730611399. The next prime is 101662730611573. The reversal of 101662730611425 is 524116037266101.

It is a happy number.

101662730611425 is a `hidden beast` number, since 1 + 0 + 1 + 6 + 6 + 2 + 7 + 3 + 0 + 611 + 4 + 25 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 10979620229601 + 90683110381824 = 3313551^2 + 9522768^2 .

It is not a de Polignac number, because 101662730611425 - 2¹² = 101662730607329 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 225917178912 + ... + 225917179361.

It is an arithmetic number, because the mean of its divisors is an integer number (10116069243579).

Almost surely, 2^{101662730611425} is an apocalyptic number.

101662730611425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

101662730611425 is a deficient number, since it is larger than the sum of its proper divisors (80426515772997).

101662730611425 is a wasteful number, since it uses less digits than its factorization.

101662730611425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451834358289 (or 451834358281 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

Adding to 101662730611425 its reverse (524116037266101), we get a palindrome (625778767877526).

The spelling of 101662730611425 in words is "one hundred one trillion, six hundred sixty-two billion, seven hundred thirty million, six hundred eleven thousand, four hundred twenty-five".