7271211051 has 64 divisors (see below), whose sum is σ = 11948160000. Its totient is φ = 4341807360.

The previous prime is 7271210993. The next prime is 7271211127. The reversal of 7271211051 is 1501121727.

It is not a de Polignac number, because 7271211051 - 2¹³ = 7271202859 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (7271211551) 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, 2862540 + ... + 2865078.

It is an arithmetic number, because the mean of its divisors is an integer number (186690000).

Almost surely, 2^7271211051 is an apocalyptic number.

7271211051 is a deficient number, since it is larger than the sum of its proper divisors (4676948949).

7271211051 is a wasteful number, since it uses less digits than its factorization.

7271211051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2801 (or 2795 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 27.

The square root of 7271211051 is about 85271.3964410106. The cubic root of 7271211051 is about 1937.3239621732.

Adding to 7271211051 its reverse (1501121727), we get a palindrome (8772332778).

The spelling of 7271211051 in words is "seven billion, two hundred seventy-one million, two hundred eleven thousand, fifty-one".