70253643625542 has 128 divisors (see below), whose sum is σ = 181293759360000. Its totient is φ = 19979311944960.

The previous prime is 70253643625541. The next prime is 70253643625579. The reversal of 70253643625542 is 24552634635207.

70253643625542 is a `hidden beast` number, since 7 + 0 + 2 + 5 + 3 + 6 + 4 + 3 + 625 + 5 + 4 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70253643625541) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 63687042 + ... + 64780757.

It is an arithmetic number, because the mean of its divisors is an integer number (1416357495000).

Almost surely, 2^{70253643625542} is an apocalyptic number.

70253643625542 is an abundant number, since it is smaller than the sum of its proper divisors (111040115734458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70253643625542 is a wasteful number, since it uses less digits than its factorization.

70253643625542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128467883 (or 128467877 counting only the distinct ones).

The product of its (nonzero) digits is 36288000, while the sum is 54.

The spelling of 70253643625542 in words is "seventy trillion, two hundred fifty-three billion, six hundred forty-three million, six hundred twenty-five thousand, five hundred forty-two".