101115505507 has 2 divisors, whose sum is σ = 101115505508. Its totient is φ = 101115505506.

The previous prime is 101115505499. The next prime is 101115505553. The reversal of 101115505507 is 705505511101.

It is a weak prime.

It is an emirp because it is prime and its reverse (705505511101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101115505507 - 2³ = 101115505499 is a prime.

It is a super-2 number, since 2×101115505507² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (101115505207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50557752753 + 50557752754.

It is an arithmetic number, because the mean of its divisors is an integer number (50557752754).

Almost surely, 2^101115505507 is an apocalyptic number.

101115505507 is a deficient number, since it is larger than the sum of its proper divisors (1).

101115505507 is an equidigital number, since it uses as much as digits as its factorization.

101115505507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4375, while the sum is 31.

The spelling of 101115505507 in words is "one hundred one billion, one hundred fifteen million, five hundred five thousand, five hundred seven".