30451125551 has 32 divisors (see below), whose sum is σ = 38169750528. Its totient is φ = 23600586240.

The previous prime is 30451125547. The next prime is 30451125553. The reversal of 30451125551 is 15552115403.

It is not a de Polignac number, because 30451125551 - 2² = 30451125547 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30451125553) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 13051181 + ... + 13053513.

It is an arithmetic number, because the mean of its divisors is an integer number (1192804704).

Almost surely, 2^30451125551 is an apocalyptic number.

30451125551 is a deficient number, since it is larger than the sum of its proper divisors (7718624977).

30451125551 is a wasteful number, since it uses less digits than its factorization.

30451125551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3191.

The product of its (nonzero) digits is 15000, while the sum is 32.

The spelling of 30451125551 in words is "thirty billion, four hundred fifty-one million, one hundred twenty-five thousand, five hundred fifty-one".