30155252401 has 4 divisors (see below), whose sum is σ = 30890746404. Its totient is φ = 29419758400.

The previous prime is 30155252399. The next prime is 30155252411. The reversal of 30155252401 is 10425255103.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12406618225 + 17748634176 = 111385^2 + 133224^2 .

It is a cyclic number.

It is not a de Polignac number, because 30155252401 - 2¹ = 30155252399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30155252401.

It is not an unprimeable number, because it can be changed into a prime (30155252411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 367746940 + ... + 367747021.

It is an arithmetic number, because the mean of its divisors is an integer number (7722686601).

Almost surely, 2^30155252401 is an apocalyptic number.

It is an amenable number.

30155252401 is a deficient number, since it is larger than the sum of its proper divisors (735494003).

30155252401 is an equidigital number, since it uses as much as digits as its factorization.

30155252401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735494002.

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 30155252401 in words is "thirty billion, one hundred fifty-five million, two hundred fifty-two thousand, four hundred one".