30515425121102 has 32 divisors (see below), whose sum is σ = 46881529077600. Its totient is φ = 14891474183040.

The previous prime is 30515425121099. The next prime is 30515425121183. The reversal of 30515425121102 is 20112152451503.

It is a super-2 number, since 2×30515425121102² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14594813 + ... + 16554135.

It is an arithmetic number, because the mean of its divisors is an integer number (1465047783675).

Almost surely, 2^{30515425121102} is an apocalyptic number.

30515425121102 is a deficient number, since it is larger than the sum of its proper divisors (16366103956498).

30515425121102 is a wasteful number, since it uses less digits than its factorization.

30515425121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1960148.

The product of its (nonzero) digits is 12000, while the sum is 32.

Adding to 30515425121102 its reverse (20112152451503), we get a palindrome (50627577572605).

The spelling of 30515425121102 in words is "thirty trillion, five hundred fifteen billion, four hundred twenty-five million, one hundred twenty-one thousand, one hundred two".