1135372545 has 24 divisors (see below), whose sum is σ = 2040869376. Its totient is φ = 605531376.

The previous prime is 1135372543. The next prime is 1135372571. The reversal of 1135372545 is 5452735311.

1135372545 is a `hidden beast` number, since 11 + 35 + 3 + 72 + 545 = 666.

It is not a de Polignac number, because 1135372545 - 2¹ = 1135372543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1135372541) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 466017 + ... + 468446.

It is an arithmetic number, because the mean of its divisors is an integer number (85036224).

Almost surely, 2^1135372545 is an apocalyptic number.

1135372545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1135372545 is a deficient number, since it is larger than the sum of its proper divisors (905496831).

1135372545 is an frugal number, since it uses more digits than its factorization.

1135372545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934483 (or 934471 counting only the distinct ones).

The product of its digits is 63000, while the sum is 36.

The square root of 1135372545 is about 33695.2896559742. The cubic root of 1135372545 is about 1043.2285472060.

It can be divided in two parts, 1135 and 372545, that added together give a triangular number (373680 = T₈₆₄).

The spelling of 1135372545 in words is "one billion, one hundred thirty-five million, three hundred seventy-two thousand, five hundred forty-five".