30525122155 has 16 divisors (see below), whose sum is σ = 39967006464. Its totient is φ = 22196285280.

The previous prime is 30525122149. The next prime is 30525122161. The reversal of 30525122155 is 55122152503.

It is an interprime number because it is at equal distance from previous prime (30525122149) and next prime (30525122161).

It is not a de Polignac number, because 30525122155 - 2²³ = 30516733547 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 299164 + ... + 388006.

It is an arithmetic number, because the mean of its divisors is an integer number (2497937904).

Almost surely, 2^30525122155 is an apocalyptic number.

30525122155 is a deficient number, since it is larger than the sum of its proper divisors (9441884309).

30525122155 is a wasteful number, since it uses less digits than its factorization.

30525122155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95106.

The product of its (nonzero) digits is 15000, while the sum is 31.

Adding to 30525122155 its reverse (55122152503), we get a palindrome (85647274658).

The spelling of 30525122155 in words is "thirty billion, five hundred twenty-five million, one hundred twenty-two thousand, one hundred fifty-five".