5401381511 has 2 divisors, whose sum is σ = 5401381512. Its totient is φ = 5401381510.

The previous prime is 5401381483. The next prime is 5401381523. The reversal of 5401381511 is 1151831045.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5401381511 - 2²² = 5397187207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5401311511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2700690755 + 2700690756.

It is an arithmetic number, because the mean of its divisors is an integer number (2700690756).

Almost surely, 2^5401381511 is an apocalyptic number.

5401381511 is a deficient number, since it is larger than the sum of its proper divisors (1).

5401381511 is an equidigital number, since it uses as much as digits as its factorization.

5401381511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 29.

The square root of 5401381511 is about 73494.0916740931. The cubic root of 5401381511 is about 1754.5602436029.

The spelling of 5401381511 in words is "five billion, four hundred one million, three hundred eighty-one thousand, five hundred eleven".