100311627760661 has 4 divisors (see below), whose sum is σ = 100340052708300. Its totient is φ = 100283202813024.

The previous prime is 100311627760633. The next prime is 100311627760679. The reversal of 100311627760661 is 166067726113001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10116814321636 + 90194813439025 = 3180694^2 + 9497095^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100311627760661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100311627763661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14212468526 + ... + 14212475583.

It is an arithmetic number, because the mean of its divisors is an integer number (25085013177075).

Almost surely, 2^{100311627760661} is an apocalyptic number.

It is an amenable number.

100311627760661 is a deficient number, since it is larger than the sum of its proper divisors (28424947639).

100311627760661 is an equidigital number, since it uses as much as digits as its factorization.

100311627760661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28424947638.

The product of its (nonzero) digits is 381024, while the sum is 47.

The spelling of 100311627760661 in words is "one hundred trillion, three hundred eleven billion, six hundred twenty-seven million, seven hundred sixty thousand, six hundred sixty-one".