11905207270 has 64 divisors (see below), whose sum is σ = 24772516416. Its totient is φ = 4071239680.

The previous prime is 11905207267. The next prime is 11905207273. The reversal of 11905207270 is 7270250911.

It is an interprime number because it is at equal distance from previous prime (11905207267) and next prime (11905207273).

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11905207273) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4024632 + ... + 4027588.

It is an arithmetic number, because the mean of its divisors is an integer number (387070569).

Almost surely, 2^11905207270 is an apocalyptic number.

11905207270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11905207270 is an abundant number, since it is smaller than the sum of its proper divisors (12867309146).

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

11905207270 is a wasteful number, since it uses less digits than its factorization.

11905207270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5145.

The product of its (nonzero) digits is 8820, while the sum is 34.

The spelling of 11905207270 in words is "eleven billion, nine hundred five million, two hundred seven thousand, two hundred seventy".