1151200551565 has 16 divisors (see below), whose sum is σ = 1387458326016. Its totient is φ = 916953177600.

The previous prime is 1151200551541. The next prime is 1151200551569. The reversal of 1151200551565 is 5651550021511.

It is not a de Polignac number, because 1151200551565 - 2⁵ = 1151200551533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151200551569) 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, 1766269 + ... + 2328541.

It is an arithmetic number, because the mean of its divisors is an integer number (86716145376).

Almost surely, 2^{1151200551565} is an apocalyptic number.

It is an amenable number.

1151200551565 is a deficient number, since it is larger than the sum of its proper divisors (236257774451).

1151200551565 is a wasteful number, since it uses less digits than its factorization.

1151200551565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564060.

The product of its (nonzero) digits is 37500, while the sum is 37.

The spelling of 1151200551565 in words is "one trillion, one hundred fifty-one billion, two hundred million, five hundred fifty-one thousand, five hundred sixty-five".