202551015225 has 48 divisors (see below), whose sum is σ = 360800282304. Its totient is φ = 99674400000.

The previous prime is 202551015211. The next prime is 202551015239. The reversal of 202551015225 is 522510155202.

It is an interprime number because it is at equal distance from previous prime (202551015211) and next prime (202551015239).

It is not a de Polignac number, because 202551015225 - 2¹⁸ = 202550753081 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 202551015192 and 202551015201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2277850 + ... + 2365100.

It is an arithmetic number, because the mean of its divisors is an integer number (7516672548).

Almost surely, 2^202551015225 is an apocalyptic number.

202551015225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

202551015225 is a deficient number, since it is larger than the sum of its proper divisors (158249267079).

202551015225 is a wasteful number, since it uses less digits than its factorization.

202551015225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89658 (or 89653 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 30.

The spelling of 202551015225 in words is "two hundred two billion, five hundred fifty-one million, fifteen thousand, two hundred twenty-five".