70051987425 has 24 divisors (see below), whose sum is σ = 132364899136. Its totient is φ = 32023765440.

The previous prime is 70051987393. The next prime is 70051987513. The reversal of 70051987425 is 52478915007.

It is not a de Polignac number, because 70051987425 - 2⁵ = 70051987393 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66715654 + ... + 66716703.

Almost surely, 2^70051987425 is an apocalyptic number.

70051987425 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

70051987425 is a deficient number, since it is larger than the sum of its proper divisors (62312911711).

70051987425 is a wasteful number, since it uses less digits than its factorization.

70051987425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133432377 (or 133432372 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 48.

The spelling of 70051987425 in words is "seventy billion, fifty-one million, nine hundred eighty-seven thousand, four hundred twenty-five".