42904288727811 has 30 divisors (see below), whose sum is σ = 72297369902940. Its totient is φ = 24516736403544.

The previous prime is 42904288727791. The next prime is 42904288727899. The reversal of 42904288727811 is 11872788240924.

42904288727811 is a `hidden beast` number, since 42 + 90 + 428 + 8 + 7 + 2 + 7 + 81 + 1 = 666.

It is not a de Polignac number, because 42904288727811 - 2²¹ = 42904286630659 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (42904288727411) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 992719581 + ... + 992762798.

It is an arithmetic number, because the mean of its divisors is an integer number (2409912330098).

Almost surely, 2^{42904288727811} is an apocalyptic number.

42904288727811 is a deficient number, since it is larger than the sum of its proper divisors (29393081175129).

42904288727811 is an equidigital number, since it uses as much as digits as its factorization.

42904288727811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1985482413 (or 1985482389 counting only the distinct ones).

The product of its (nonzero) digits is 28901376, while the sum is 63.

The spelling of 42904288727811 in words is "forty-two trillion, nine hundred four billion, two hundred eighty-eight million, seven hundred twenty-seven thousand, eight hundred eleven".