100620250215521 has 8 divisors (see below), whose sum is σ = 103079948950944. Its totient is φ = 98160815589280.

The previous prime is 100620250215479. The next prime is 100620250215547. The reversal of 100620250215521 is 125512052026001.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100620250215521 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100620250215571) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 65255915 + ... + 66780048.

It is an arithmetic number, because the mean of its divisors is an integer number (12884993618868).

Almost surely, 2^{100620250215521} is an apocalyptic number.

It is an amenable number.

100620250215521 is a deficient number, since it is larger than the sum of its proper divisors (2459698735423).

100620250215521 is a wasteful number, since it uses less digits than its factorization.

100620250215521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132054591.

The product of its (nonzero) digits is 12000, while the sum is 32.

The spelling of 100620250215521 in words is "one hundred trillion, six hundred twenty billion, two hundred fifty million, two hundred fifteen thousand, five hundred twenty-one".