1451551411 has 2 divisors, whose sum is σ = 1451551412. Its totient is φ = 1451551410.

The previous prime is 1451551397. The next prime is 1451551421. The reversal of 1451551411 is 1141551541.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1451551411 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1451551411.

It is not a weakly prime, because it can be changed into another prime (1451551421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 725775705 + 725775706.

It is an arithmetic number, because the mean of its divisors is an integer number (725775706).

Almost surely, 2^1451551411 is an apocalyptic number.

1451551411 is a deficient number, since it is larger than the sum of its proper divisors (1).

1451551411 is an equidigital number, since it uses as much as digits as its factorization.

1451551411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2000, while the sum is 28.

The square root of 1451551411 is about 38099.2311077271. The cubic root of 1451551411 is about 1132.2547225167.

The spelling of 1451551411 in words is "one billion, four hundred fifty-one million, five hundred fifty-one thousand, four hundred eleven".