615713020051 has 2 divisors, whose sum is σ = 615713020052. Its totient is φ = 615713020050.

The previous prime is 615713019991. The next prime is 615713020141. The reversal of 615713020051 is 150020317516.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 615713020051 - 2¹⁷ = 615712888979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 615713019995 and 615713020022.

It is not a weakly prime, because it can be changed into another prime (615713029051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307856510025 + 307856510026.

It is an arithmetic number, because the mean of its divisors is an integer number (307856510026).

Almost surely, 2^615713020051 is an apocalyptic number.

615713020051 is a deficient number, since it is larger than the sum of its proper divisors (1).

615713020051 is an equidigital number, since it uses as much as digits as its factorization.

615713020051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6300, while the sum is 31.

Adding to 615713020051 its reverse (150020317516), we get a palindrome (765733337567).

The spelling of 615713020051 in words is "six hundred fifteen billion, seven hundred thirteen million, twenty thousand, fifty-one".