15020420034253 has 16 divisors (see below), whose sum is σ = 15095008407600. Its totient is φ = 14945939205120.

The previous prime is 15020420034241. The next prime is 15020420034287. The reversal of 15020420034253 is 35243002402051.

It can be written as a sum of positive squares in 8 ways, for example, as 2440537577284 + 12579882456969 = 1562222^2 + 3546813^2 .

It is a cyclic number.

It is not a de Polignac number, because 15020420034253 - 2⁹ = 15020420033741 is a prime.

It is a super-2 number, since 2×15020420034253² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15020420034293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2199501643 + ... + 2199508471.

It is an arithmetic number, because the mean of its divisors is an integer number (943438025475).

Almost surely, 2^{15020420034253} is an apocalyptic number.

It is an amenable number.

15020420034253 is a deficient number, since it is larger than the sum of its proper divisors (74588373347).

15020420034253 is a wasteful number, since it uses less digits than its factorization.

15020420034253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13152.

The product of its (nonzero) digits is 28800, while the sum is 31.

The spelling of 15020420034253 in words is "fifteen trillion, twenty billion, four hundred twenty million, thirty-four thousand, two hundred fifty-three".