1065153551 has 16 divisors (see below), whose sum is σ = 1329350400. Its totient is φ = 829135680.

The previous prime is 1065153517. The next prime is 1065153553. The reversal of 1065153551 is 1553515601.

It is a cyclic number.

It is not a de Polignac number, because 1065153551 - 2⁶ = 1065153487 is a prime.

It is a super-2 number, since 2×1065153551² = 2269104174415819202, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1065153553) 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, 74180 + ... + 87366.

It is an arithmetic number, because the mean of its divisors is an integer number (83084400).

Almost surely, 2^1065153551 is an apocalyptic number.

1065153551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1065153551 is a deficient number, since it is larger than the sum of its proper divisors (264196849).

1065153551 is a wasteful number, since it uses less digits than its factorization.

1065153551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14254.

The product of its (nonzero) digits is 11250, while the sum is 32.

The square root of 1065153551 is about 32636.6902580516. The cubic root of 1065153551 is about 1021.2625500601.

The spelling of 1065153551 in words is "one billion, sixty-five million, one hundred fifty-three thousand, five hundred fifty-one".