70518518554 has 48 divisors (see below), whose sum is σ = 117585312768. Its totient is φ = 31691660000.

The previous prime is 70518518527. The next prime is 70518518569. The reversal of 70518518554 is 45581581507.

It is a super-2 number, since 2×70518518554² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70518518498 and 70518518507.

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, 22265079 + ... + 22268245.

It is an arithmetic number, because the mean of its divisors is an integer number (2449694016).

Almost surely, 2^70518518554 is an apocalyptic number.

70518518554 is a deficient number, since it is larger than the sum of its proper divisors (47066794214).

70518518554 is a wasteful number, since it uses less digits than its factorization.

70518518554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4203 (or 4192 counting only the distinct ones).

The product of its (nonzero) digits is 1120000, while the sum is 49.

The spelling of 70518518554 in words is "seventy billion, five hundred eighteen million, five hundred eighteen thousand, five hundred fifty-four".