102621252289745 has 32 divisors (see below), whose sum is σ = 148204058365440. Its totient is φ = 66691826150400.

The previous prime is 102621252289733. The next prime is 102621252289807. The reversal of 102621252289745 is 547982252126201.

It is not a de Polignac number, because 102621252289745 - 2¹⁶ = 102621252224209 is a prime.

It is a super-2 number, since 2×102621252289745² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 584682056 + ... + 584857545.

It is an arithmetic number, because the mean of its divisors is an integer number (4631376823920).

Almost surely, 2^{102621252289745} is an apocalyptic number.

It is an amenable number.

102621252289745 is a deficient number, since it is larger than the sum of its proper divisors (45582806075695).

102621252289745 is a wasteful number, since it uses less digits than its factorization.

102621252289745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1169539745.

The product of its (nonzero) digits is 9676800, while the sum is 56.

The spelling of 102621252289745 in words is "one hundred two trillion, six hundred twenty-one billion, two hundred fifty-two million, two hundred eighty-nine thousand, seven hundred forty-five".