30157540761 has 8 divisors (see below), whose sum is σ = 40214088864. Its totient is φ = 20103009920.

The previous prime is 30157540757. The next prime is 30157540793. The reversal of 30157540761 is 16704575103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30157540761 - 2² = 30157540757 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30157541761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 469080 + ... + 529481.

It is an arithmetic number, because the mean of its divisors is an integer number (5026761108).

Almost surely, 2^30157540761 is an apocalyptic number.

It is an amenable number.

30157540761 is a deficient number, since it is larger than the sum of its proper divisors (10056548103).

30157540761 is a wasteful number, since it uses less digits than its factorization.

30157540761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008631.

The product of its (nonzero) digits is 88200, while the sum is 39.

The spelling of 30157540761 in words is "thirty billion, one hundred fifty-seven million, five hundred forty thousand, seven hundred sixty-one".