47201011091 has 16 divisors (see below), whose sum is σ = 52953035520. Its totient is φ = 41777804160.

The previous prime is 47201011061. The next prime is 47201011097. The reversal of 47201011091 is 19011010274.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47201011091 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47201011091.

It is not an unprimeable number, because it can be changed into a prime (47201011097) 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, 493340 + ... + 581193.

It is an arithmetic number, because the mean of its divisors is an integer number (3309564720).

Almost surely, 2^47201011091 is an apocalyptic number.

47201011091 is a deficient number, since it is larger than the sum of its proper divisors (5752024429).

47201011091 is a wasteful number, since it uses less digits than its factorization.

47201011091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074686.

The product of its (nonzero) digits is 504, while the sum is 26.

The spelling of 47201011091 in words is "forty-seven billion, two hundred one million, eleven thousand, ninety-one".