1151655545 has 16 divisors (see below), whose sum is σ = 1389869712. Its totient is φ = 916085760.

The previous prime is 1151655529. The next prime is 1151655553. The reversal of 1151655545 is 5455561511.

It can be written as a sum of positive squares in 8 ways, for example, as 21418384 + 1130237161 = 4628^2 + 33619^2 .

It is not a de Polignac number, because 1151655545 - 2⁴ = 1151655529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1151655499 and 1151655508.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1114349 + ... + 1115381.

It is an arithmetic number, because the mean of its divisors is an integer number (86866857).

Almost surely, 2^1151655545 is an apocalyptic number.

It is an amenable number.

1151655545 is a deficient number, since it is larger than the sum of its proper divisors (238214167).

1151655545 is a wasteful number, since it uses less digits than its factorization.

1151655545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2092.

The product of its digits is 75000, while the sum is 38.

The square root of 1151655545 is about 33936.0508162043. The cubic root of 1151655545 is about 1048.1920649213.

The spelling of 1151655545 in words is "one billion, one hundred fifty-one million, six hundred fifty-five thousand, five hundred forty-five".