101520303345 has 32 divisors (see below), whose sum is σ = 186302499840. Its totient is φ = 52397573760.

The previous prime is 101520303301. The next prime is 101520303389. The reversal of 101520303345 is 543303025101.

101520303345 is a `hidden beast` number, since 1 + 0 + 15 + 2 + 0 + 303 + 345 = 666.

It is an interprime number because it is at equal distance from previous prime (101520303301) and next prime (101520303389).

It is not a de Polignac number, because 101520303345 - 2⁸ = 101520303089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12124884 + ... + 12133253.

It is an arithmetic number, because the mean of its divisors is an integer number (5821953120).

Almost surely, 2^101520303345 is an apocalyptic number.

101520303345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

101520303345 is a deficient number, since it is larger than the sum of its proper divisors (84782196495).

101520303345 is a wasteful number, since it uses less digits than its factorization.

101520303345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24258182 (or 24258176 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 101520303345 its reverse (543303025101), we get a palindrome (644823328446).

The spelling of 101520303345 in words is "one hundred one billion, five hundred twenty million, three hundred three thousand, three hundred forty-five".