70111020621228 has 96 divisors (see below), whose sum is σ = 169918033824000. Its totient is φ = 22473310438656.

The previous prime is 70111020621197. The next prime is 70111020621247. The reversal of 70111020621228 is 82212602011107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 136172623 + ... + 136686521.

It is an arithmetic number, because the mean of its divisors is an integer number (1769979519000).

Almost surely, 2^{70111020621228} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70111020621228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84959016912000).

70111020621228 is an abundant number, since it is smaller than the sum of its proper divisors (99807013202772).

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

70111020621228 is a wasteful number, since it uses less digits than its factorization.

70111020621228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515519 (or 515517 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 33.

The spelling of 70111020621228 in words is "seventy trillion, one hundred eleven billion, twenty million, six hundred twenty-one thousand, two hundred twenty-eight".