1325511405051 has 16 divisors (see below), whose sum is σ = 1824764249088. Its totient is φ = 854979055200.

The previous prime is 1325511404969. The next prime is 1325511405061. The reversal of 1325511405051 is 1505041155231.

It is a happy number.

It is not a de Polignac number, because 1325511405051 - 2⁷ = 1325511404923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1325511405061) 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, 1157605 + ... + 1997766.

It is an arithmetic number, because the mean of its divisors is an integer number (114047765568).

Almost surely, 2^{1325511405051} is an apocalyptic number.

1325511405051 is a deficient number, since it is larger than the sum of its proper divisors (499252844037).

1325511405051 is a wasteful number, since it uses less digits than its factorization.

1325511405051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3159922.

The product of its (nonzero) digits is 15000, while the sum is 33.

The spelling of 1325511405051 in words is "one trillion, three hundred twenty-five billion, five hundred eleven million, four hundred five thousand, fifty-one".