70501811812 has 48 divisors (see below), whose sum is σ = 125916703920. Its totient is φ = 34533015552.

The previous prime is 70501811797. The next prime is 70501811813. The reversal of 70501811812 is 21811810507.

It can be written as a sum of positive squares in 8 ways, for example, as 22024340836 + 48477470976 = 148406^2 + 220176^2 .

It is not an unprimeable number, because it can be changed into a prime (70501811813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30691848 + ... + 30694144.

It is an arithmetic number, because the mean of its divisors is an integer number (2623264665).

Almost surely, 2^70501811812 is an apocalyptic number.

It is an amenable number.

70501811812 is a deficient number, since it is larger than the sum of its proper divisors (55414892108).

70501811812 is a wasteful number, since it uses less digits than its factorization.

70501811812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3040 (or 3038 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 34.

The spelling of 70501811812 in words is "seventy billion, five hundred one million, eight hundred eleven thousand, eight hundred twelve".