70025521151 has 4 divisors (see below), whose sum is σ = 74144669472. Its totient is φ = 65906372832.

The previous prime is 70025521127. The next prime is 70025521213. The reversal of 70025521151 is 15112552007.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70025521151 - 2¹⁰ = 70025520127 is a prime.

It is a super-2 number, since 2×70025521151² (a number of 22 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 (70025521051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2059574135 + ... + 2059574168.

It is an arithmetic number, because the mean of its divisors is an integer number (18536167368).

Almost surely, 2^70025521151 is an apocalyptic number.

70025521151 is a deficient number, since it is larger than the sum of its proper divisors (4119148321).

70025521151 is a wasteful number, since it uses less digits than its factorization.

70025521151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4119148320.

The product of its (nonzero) digits is 3500, while the sum is 29.

The spelling of 70025521151 in words is "seventy billion, twenty-five million, five hundred twenty-one thousand, one hundred fifty-one".