30515050512542 has 24 divisors (see below), whose sum is σ = 48624479087976. Its totient is φ = 14359723641728.

The previous prime is 30515050512503. The next prime is 30515050512547. The reversal of 30515050512542 is 24521505051503.

It is a junction number, because it is equal to n+sod(n) for n = 30515050512496 and 30515050512505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30515050512547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28444448 + ... + 29497740.

It is an arithmetic number, because the mean of its divisors is an integer number (2026019961999).

Almost surely, 2^{30515050512542} is an apocalyptic number.

30515050512542 is a deficient number, since it is larger than the sum of its proper divisors (18109428575434).

30515050512542 is a wasteful number, since it uses less digits than its factorization.

30515050512542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103452 (or 1103435 counting only the distinct ones).

The product of its (nonzero) digits is 150000, while the sum is 38.

The spelling of 30515050512542 in words is "thirty trillion, five hundred fifteen billion, fifty million, five hundred twelve thousand, five hundred forty-two".