70542885525 has 36 divisors (see below), whose sum is σ = 135672691392. Its totient is φ = 32248174560.

The previous prime is 70542885521. The next prime is 70542885529. The reversal of 70542885525 is 52558824507.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (70542885521) and next prime (70542885529).

It is not a de Polignac number, because 70542885525 - 2² = 70542885521 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70542885521) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 9593997 + ... + 9601346.

It is an arithmetic number, because the mean of its divisors is an integer number (3768685872).

Almost surely, 2^70542885525 is an apocalyptic number.

70542885525 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

70542885525 is a deficient number, since it is larger than the sum of its proper divisors (65129805867).

70542885525 is a wasteful number, since it uses less digits than its factorization.

70542885525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19195370 (or 19195358 counting only the distinct ones).

The product of its (nonzero) digits is 4480000, while the sum is 51.

The spelling of 70542885525 in words is "seventy billion, five hundred forty-two million, eight hundred eighty-five thousand, five hundred twenty-five".