30253215054551 has 8 divisors (see below), whose sum is σ = 30677265624624. Its totient is φ = 29829424564800.

The previous prime is 30253215054523. The next prime is 30253215054553. The reversal of 30253215054551 is 15545051235203.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30253215054551 is a prime.

It is a super-2 number, since 2×30253215054551² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30253215054499 and 30253215054508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30253215054553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64785800 + ... + 65251101.

It is an arithmetic number, because the mean of its divisors is an integer number (3834658203078).

Almost surely, 2^{30253215054551} is an apocalyptic number.

30253215054551 is a deficient number, since it is larger than the sum of its proper divisors (424050570073).

30253215054551 is a wasteful number, since it uses less digits than its factorization.

30253215054551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130040161.

The product of its (nonzero) digits is 450000, while the sum is 41.

Adding to 30253215054551 its reverse (15545051235203), we get a palindrome (45798266289754).

The spelling of 30253215054551 in words is "thirty trillion, two hundred fifty-three billion, two hundred fifteen million, fifty-four thousand, five hundred fifty-one".