30215405125045 has 16 divisors (see below), whose sum is σ = 41438944597248. Its totient is φ = 20718797587200.

The previous prime is 30215405125043. The next prime is 30215405125057. The reversal of 30215405125045 is 54052150451203.

It is not a de Polignac number, because 30215405125045 - 2¹ = 30215405125043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30215405124995 and 30215405125013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30215405125043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4838356 + ... + 9156445.

It is an arithmetic number, because the mean of its divisors is an integer number (2589934037328).

Almost surely, 2^{30215405125045} is an apocalyptic number.

30215405125045 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30215405125045 is a deficient number, since it is larger than the sum of its proper divisors (11223539472203).

30215405125045 is a wasteful number, since it uses less digits than its factorization.

30215405125045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14056500.

The product of its (nonzero) digits is 120000, while the sum is 37.

Adding to 30215405125045 its reverse (54052150451203), we get a palindrome (84267555576248).

The spelling of 30215405125045 in words is "thirty trillion, two hundred fifteen billion, four hundred five million, one hundred twenty-five thousand, forty-five".