35020120525 has 12 divisors (see below), whose sum is σ = 46765330612. Its totient is φ = 25861011840.

The previous prime is 35020120519. The next prime is 35020120537. The reversal of 35020120525 is 52502102053.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 6222369924 + 28797750601 = 78882^2 + 169699^2 .

It is not a de Polignac number, because 35020120525 - 2⁹ = 35020120013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 35020120525.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53876784 + ... + 53877433.

Almost surely, 2^35020120525 is an apocalyptic number.

It is an amenable number.

35020120525 is a deficient number, since it is larger than the sum of its proper divisors (11745210087).

35020120525 is a wasteful number, since it uses less digits than its factorization.

35020120525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107754240 (or 107754235 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

Adding to 35020120525 its reverse (52502102053), we get a palindrome (87522222578).

The spelling of 35020120525 in words is "thirty-five billion, twenty million, one hundred twenty thousand, five hundred twenty-five".