101047625561 has 2 divisors, whose sum is σ = 101047625562. Its totient is φ = 101047625560.

The previous prime is 101047625543. The next prime is 101047625599. The reversal of 101047625561 is 165526740101.

It is an a-pointer prime, because the next prime (101047625599) can be obtained adding 101047625561 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69560897536 + 31486728025 = 263744^2 + 177445^2 .

It is a cyclic number.

It is not a de Polignac number, because 101047625561 - 2¹⁴ = 101047609177 is a prime.

It is not a weakly prime, because it can be changed into another prime (101047655561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50523812780 + 50523812781.

It is an arithmetic number, because the mean of its divisors is an integer number (50523812781).

Almost surely, 2^101047625561 is an apocalyptic number.

It is an amenable number.

101047625561 is a deficient number, since it is larger than the sum of its proper divisors (1).

101047625561 is an equidigital number, since it uses as much as digits as its factorization.

101047625561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 38.

The spelling of 101047625561 in words is "one hundred one billion, forty-seven million, six hundred twenty-five thousand, five hundred sixty-one".