99915270053 has 2 divisors, whose sum is σ = 99915270054. Its totient is φ = 99915270052.

The previous prime is 99915270041. The next prime is 99915270079. The reversal of 99915270053 is 35007251999.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87218036929 + 12697233124 = 295327^2 + 112682^2 .

It is a cyclic number.

It is not a de Polignac number, because 99915270053 - 2¹⁸ = 99915007909 is a prime.

It is a super-2 number, since 2×99915270053² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 99915269983 and 99915270010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99915270253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49957635026 + 49957635027.

It is an arithmetic number, because the mean of its divisors is an integer number (49957635027).

Almost surely, 2^99915270053 is an apocalyptic number.

It is an amenable number.

99915270053 is a deficient number, since it is larger than the sum of its proper divisors (1).

99915270053 is an equidigital number, since it uses as much as digits as its factorization.

99915270053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 765450, while the sum is 50.

The spelling of 99915270053 in words is "ninety-nine billion, nine hundred fifteen million, two hundred seventy thousand, fifty-three".